Gary's Garagemahal (the Bullnose bible)
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    • 3D Printing >
      • Brake Booster Pushrod Gauge
    • How To Decode Ford Part Numbers
    • Accessories >
      • Air Horns
      • CB Radio
      • Roll Bar
      • Step
      • Tie Down Hooks
      • Tonneau Cover
    • Body >
      • Bronco Rear Window
      • Bronco Roof
      • Body Shell, Exterior Trim, Frame & Underbody
      • Door Latches & Locks
      • Door Hinges Checks & Weatherstrips
      • Doors Hood & Tailgate General Service
      • Front Door Window Glass & Mechanisms
      • Hood & Hinges
      • Hood Latch
      • Lock Cylinders & Keys
      • Power Door Locks
      • Power Windows
      • Stationary Glass - Butyl Seal
      • Stationary Glass - Weatherstrip Seal
      • Tailgate
      • Vent Window Mechanism
      • Window Glass & Mechanisms - General Service
    • Bullnose FAQ's
    • Bullnose Upgrades
    • Calibration Info & Part #'s
    • Cooling Systems >
      • Engine Cooling System Training Manual
      • Cooling Fan #'s & Illustrations
      • Cooling System Illustrations
      • Coolant Recovery & Windshield Washer Reservoirs
      • Elbows
      • Heater Hoses
      • Hose Clamps
      • Radiator Hoses
      • Radiator Support
      • Radiators
      • Shroud Part #'s
      • Thermostats
      • Water Pump #'s & Illustrations
    • Driveline >
      • 4WD Front Hubs & Rotors
      • Axles & Differentials
      • Bell Housings
      • Brakes
      • Calculators
      • Clutches and Linkage
      • Drive Shafts
      • Engine Plates
      • Rear Axle Vents
      • Skid Plates
      • Transfer Cases
      • Transmissions >
        • Transmission & Transfer Case Ratios
        • Automatic Transmission >
          • Automatic Transmission Applications
          • General Automatic Transmission Service
          • Automatic Overdrive (AOD)
          • C6
          • Kickdown Linkage
          • Neutral Start Switch
        • Manual Transmissions >
          • Manual Transmission Applications
          • General Manual Transmission Service
          • 3.03 3-Speed Toploader
          • NP435
          • Manual Transmission Shift Levers
          • Single Rail Over Drive (SROD)
          • TOD & SROD Transmissions
          • TOD
          • Warner T-18 & T-19
          • ZF5
        • Over/Under Drives
      • Speedometer Gears, Cables, & Sensors
      • Wheels & Tires
      • Wheel Covers
    • Electrical >
      • 3G Conversion >
        • 3G Conversion - In Development
        • 3G Writeup From Lucas
      • Alternators
      • Ammeter
      • Batteries
      • Battery Cables
      • Battery Trays
      • Circuit Protection
      • Clocks
      • Computer Internals
      • Connectors
      • Distributors
      • Electrical Connectors
      • Electronic Engine Control (EEC)
      • Electricity 099
      • EVTM >
        • 1980 EVTM
        • 1981 EVTM
        • 1984 EVTM
        • 1985 EVTM
        • 1986 EVTM
      • Gauges
      • Ground Wires >
        • Engine-to-Firewall Ground
        • Battery to Ground
        • Battery to RH Fender
        • Firewall to Hood
      • ICVR
      • Ignition
      • Lighting >
        • Dome and Cargo Lights
        • Fog or Driving Lights
        • Headlight Wiring Harness
        • Lighting & Calculations
        • Tag Lights
      • PMGR Starter Wiring
      • Radios
      • Relays
      • Sending Units
      • Speed Control
      • Switches
      • Tachometers
      • Voltage Drop Testing
      • Windshield Wipers
      • Wiring >
        • Electrical & Vacuum Troubleshooting Manuals >
          • 1980 EVTM
          • 1981 EVTM
          • 1984 EVTM
          • 1985 EVTM
          • 1986 EVTM
          • 1996 EVTM >
            • Index
            • Charging System
            • Daytime Running Lamps
            • Engine Control - 4.9L
            • Engine Control - 5.0L
            • Engine Control - 5.8L Under 8500 GVW
            • Engine Control - 5.8L Over 8500 & 7.5L EEC-IV
            • Engine Control - 7.5L EEC-V
            • Engine Control - Turbo Diesel
            • Fuse Panel & Circuit Protection
            • Grounds
            • How To Use This Manual
            • Ignition System
            • Keyless Entry
            • Power Distribution
            • Speed Control
            • 1996 Power Windows
            • Starting System
            • Transmission Control - 4R70W
            • Transmission Control - E4OD
        • Terminals & Connectors
        • Wiring Connectors
        • Wiring Diagrams >
          • 1980 Wiring Diagrams
          • 1981 Wiring Diagrams >
            • 1981 Wiring Diagram Overview
            • 1981 F-Series Wiring Diagrams
            • 1981 Bronco Wiring Diagrams
          • 1985 Wiring Diagrams
          • 1986 Wiring Diagrams
        • Standard Wire & Color Codes
        • Wiring Harnesses
        • Wire Routing
    • Emissions >
      • Understanding Emissions Controls
      • Inferred Mileage
      • Thermactor Systems
    • Engines >
      • Compression Ratio Calculator
      • General Engine Service
      • 3.8L (232) V6
      • 300 Six
      • Windsor Series
      • 351M and 400
      • 385 Series
      • IDI Diesel
      • Drive Belts
      • EGR Valves >
        • EGR System Description & Testing
        • EGR Spacer
        • Gasket: Carb/EGR to Intake (9447)
      • Flywheels
      • Manifolds, EGR, Heat Valves, etc
      • Engine Swaps >
        • 300 Six to Small-Block V8
      • Pulleys
      • Starters
    • Exhaust Systems
    • Exterior >
      • Beds, Tailgates, and Components
      • Bumpers
      • Exterior Mirrors
      • Exterior Moulding Retainers
      • Exterior Trim and Moulding
      • Frames >
        • Engine Perches
      • Fuel Filler Doors
      • Name Plates
      • Push Bars
      • Spare Tire Carriers
      • Stationary Glass - Butyl Type Seal
      • Tape And Decal Application
    • Fasteners & Illustrations >
      • Fastener Pictures
      • Fenders and Aprons
      • Frame
      • Headlights and Turn Signals
      • Hood
      • Radiator and Grille
    • Fuel & Air Systems >
      • 1985-1986 Fuel System Adjustments
      • 460 Fuel Systems
      • Air Cleaners
      • Carburetors, Chokes, & EFI >
        • EFI Idle Speed Adjustment
        • Jetting
        • How To Find Carb Parts
        • Chokes
        • Carter YFA 1bbl
        • EFI
        • Edelbrock
        • Motorcraft 2150
        • Holley 4180C
        • Motorcraft 7200 VV
        • Weber Technical Introduction
      • Correct Cold Starting Procedures
      • Diagnostics
      • Fuel System Illustrations & Part Numbers
      • Fuel Systems Illustrations >
        • Fuel Filler Pipes
        • 1980-84 F-Series & Bronco
        • 1983-84 F-Series Diesel
        • 1983-87 F350 Chassis Cab DRW
        • 1985 F-Series 302 w/EFI
        • 1985-87 Bronco
        • 1985 on F-Series
      • Fuel System Part #'s >
        • Fuel Filler Pipes
        • Fuel Senders & Pumps
        • Fuel Tanks
        • Fuel Tank Selector Switch
        • Fuel Tank Selector Valve
        • Fuel Tank Shields
        • Fuel Vapor Valve
        • Fuel Vapor Separator
      • Fuel System Wiring
    • HVAC >
      • Blend Door Repair
      • HVAC Systems
      • 300 Six Compressor Illustrations
      • Factory A/C Brackets
    • Interchange >
      • Air Conditioning Interchange
      • Alternator Interchange
      • Brake Interchange
      • Carburetor Interchange
      • Crankshaft Interchange
      • Diesel Injector Pump Interchange
      • Distributor Interchange
      • Fuel Pump Interchange
      • Head Interchange
      • Starter Interchange
      • Steering Interchange
      • Window Lift Motor Interchange
      • Water Pump Interchange
    • Interior >
      • Behind The Seat Storage
      • Boots
      • Carpet
      • Dash
      • Doors >
        • Door Locks
        • Door Panels
        • Electric Windows & Locks
        • Handles & Boot
        • Vent Windows
        • Windows
      • Horn Pads
      • Insulation
      • Interior Soft Trim
      • Interior Trim
      • Instrument Panel Name Plates
      • Instrument & Radio Bezels
      • Kick Panels
      • Knobs
      • Painting Gauge Needles
      • Rear Corner Trim
      • Rear View Mirror
      • Salvaging Rosewood
      • Seat Belts
      • Seat Interchangeability
      • Seats & Seat Tracks
      • Sill Plates
      • Steering Columns & Steering Wheels
      • Sun Visors
    • Picture Galleries >
      • 1981 F100 With 318 Miles
      • 1983 XLS Survivor
      • 1983 Ford Bronco 4x4 Dobbs-Stroppe Team Chase Car
      • 1983 Bronco Survivor
      • 1984 Bronco XLT
      • 1984 F150 XL
      • 1984 F150 Survivor
      • 1984 FORD F-150 XLT PICKUP
      • 1985 F-150 Survivor
      • 1985 F150 4×4 Flareside
      • Big Blackie
      • Big Blue >
        • Big Blues Documentation
      • Dad's Truck >
        • Air Cleaner
        • Aluminum Wheel Refinishing
        • Electrical Components >
          • Alternator
          • Battery
          • Power Distribution
        • Gauges
        • Engine
        • Frame
        • Seats
        • Transfer Case
        • Transmission
      • Rusty
      • Ugly Green
    • Reference >
      • Hose & Fittings
      • Standard & Utility Parts Catalog
    • Specifications >
      • Assembly Plants
      • Axle Ratios
      • Body Codes - Interior
      • Build Sheet Interpretation
      • Dimensions and Weights
      • Interior Paint
      • Calibration Codes
      • Certification Label
      • DSO Codes
      • Electrical
      • Engine Codes
      • Exterior Paint Codes
      • 10-01 Identification Codes
      • Lubricant Specifications
      • Model Codes
      • Reserve Capacity
      • Spring Codes
      • Standard Features And Options
      • Towing
      • Transmission Codes
      • Tape Stripe Codes >
        • Bronco Tape Stripe Codes
        • F-Series Tape Stripe Codes
      • VIN Decoding
    • Suspension & Steering >
      • 2WD Spindles
      • Alignment
      • Body Mounts
      • Crossmembers
      • Frames
      • Front Suspension
      • Steering >
        • General Steering Service
        • Lower Steering Shaft
        • Manual Steering Gear Box
        • Power Steering
        • Saginaw Conversions
        • Steering Columns & Steering Wheels
        • Tie Rods and Drag Links
      • Rear Suspension >
        • Auxiliary Springs
        • Rear Springs
      • Sway Bar
    • TSB's >
      • TSB Index
      • Body/Windnoise/Water Leaks/Trim >
        • 81-06-13 Bumper Guard & Tire Carrier
        • 81-7-23 Seat Belts Become Too Tight
        • 83-3-15 Pickup Box Alignment
        • 81-06-15 Pickup Box Wood Floor Replacement
        • 83-13-4 Sheet Metal Welding Procedures
        • 83-16-17 Pickup Box Lean
        • 83-24-18 Swing-Lock Mirror Moves
        • 83-13-22 Electric Mirror Loose Glass
        • 83-24-19 Mirror Head Vibration
        • 87-01-18 Tool Box Mount
      • Electrical / Climate Control / Starting / Charging >
        • 80-4-13S A/C RAPID ON-OFF CYCLING OF COMPRESSOR CLUTCH
        • 81-1-10 FM Radio Interference
        • 81-7-24 Temperature Control Cable Too Long
        • 84-24-9 Noise - Radio Ignition Buzz
        • 87-03-07 EEC-IV Driveability TSB Summary
        • 87-07-20 Radio Ignition Noise
        • 87-21-10 EEC-IV Diagnostics
        • 88-05-07 Malfunction Indicator Light Introduction
        • 89-22-08 Emissions Maintenance Warning Module
        • 90-25-12 Speed Control
        • 96-21-04 2G Alternator Repair
      • Brakes/Steering/Suspension/Wheels >
        • 80-14-14-S STEERING
        • 81-06-04 Integral Power Steering Gear
        • 81-06-16 Front Wheel Grease Seal Gaskets
        • 81-06-17 Rear Parking Brake Cables
        • 81-2-25 REAR SUSPENSION TORQUE SPECS
        • 89-19-01 Brake Noise Recap Of TSB's
        • 89-25-16 Brake Ride Height Proportioning Valve
        • 90-13-9 Frame Cracking At Rear Shock Mount
        • 96-15-11 Frame-Rivet Replacement With Bolts
        • 97-03-10 Frame Creaking/Popping
        • Steering Gear Frame Liner
      • Engine/Cooling System/Exhaust >
        • 81-2-27 ENGINE DETONATION
        • 83-13-7 Correct Oil Fill Level
        • 83-25-21 Air Cleaner Sealing
        • 83-13-8 RTV Sealant - New Material
        • 87-06-10 Stall/No Start: TFI
        • 88-07-16 4.9L Exhaust Manifold Warping
      • Transmission/Clutch/Driveshaft/Axle >
        • 81-5-15 AOD TRANSMISSION
        • 81-06-18 Clutch Housing Fills w/Mud/Dirt
        • 81-07-25 Clutch Shudder/Chatter In Reverse
        • 81-7-26 Missing Shims On SROD
        • 82-25-16(S) Upshift Indicator Light
        • 83-3-23 Axle Lubricant Drain And Refill
        • 83-23-17 8.8" Rear Axle Vent
        • 84-24-13 Transfer Case - Grinding/Block-Out
        • 90-16-07 High Clutch Effort
      • Driveability/Fuel/Ignition/Emissions >
        • 81-6-19 Cold Driveaway Performance Improvements
        • 81-6-20 Piston Slap During Cold Driveaway
        • 81-6-21 Power Valve Vacuum Hose
        • 83-11-12-S Stall/No Start/Hessitation
        • 88-05-14 Low Oil Pressure
        • 91-25-07 IAC Bypass
        • EMW Module
      • Noise/Vibration/Ride/Squeaks/Rattles >
        • 80-1-12-S REAR SPRING SQUEAK
      • Miscellaneous/General >
        • 83-14-1 UNDERHOOD PRODUCTION STAMP RELOCATION
      • Health/Safety/Environmental Hazard information
      • CALIBRATION: 4-53F-R00
      • Fuel Cross-Flow
    • Underhood >
      • Cowl Seal
      • Engine Compartment Lamp
      • Fender Aprons
      • Jacks, Lug Wrenches, etc
      • Speed Control
      • Tool Box
    • Vacuum Systems >
      • Vacuum System Acronyms
      • Vacuum Diagrams >
        • 300 Six
        • 302/5.0L
        • 351W
        • 351M/400
        • 460 V8
      • Vacuum Fittings
      • Vacuum Reservoirs
      • Vacuum System Requirements
      • Vacuum System Testing
    • Metrics
    • About Me/Contact Me >
      • Youth Classes >
        • Automotive Maintenance >
          • Fall of 2015
        • Building Web Sites >
          • Lesson 1
          • Lesson 2
          • Lesson 3
          • LTC
        • Overview of Paul's Life, Journeys, & Works >
          • Lesson 1
          • Lesson 2
      • Projects >
        • Engine Cradle
        • Gauge Pocket
        • Rear Bumper And Spare Tire Carrier
    • Year-To-Year Differences >
      • Door Locks & Turn Signals
    • Test Page
    • 91-6-7 Sterling 10.25 Hub Leaks
  • Library
    • 1980 Literature >
      • 1980 Explorer Program
      • 1980 EVTM
      • 1980 Accessories
      • 1980 Bronco
      • 1980 Free Wheelin' Fords
      • 1980 Interior & Exterior Colors
      • 1980 Light Truck Roadability Diagnosis Guide
      • 1980 Owner's Guide
      • 1980 Truck Service Highlights - Chassis
      • 1980 Truck Service Highlights - Electrical
      • 1980 Service Highlights - Climate Conrol
      • 1980 Service Highlights - Front Axle, Steering, & Suspension
      • 1980 Light Truck Exterior Colors
      • 1980 Ford Recreational Vehicles
      • 1980 Pickup Brochure
      • 1980 4-Wheeler Brochure
      • 1980 Engine, Emission & Related Systems
    • 1981 Literature >
      • 18 MPG Ford
      • 1981 Accessories
      • 1981 4-Wheeler
      • 1981 Bronco Advert's
      • 1981 Bronco Brochure
      • 1981 Explorer Brochure
      • 1981 Exterior Color Selections
      • 1981 EVTM
      • 1981 Ford Trucks
      • 1981 Pickup Advert's
      • 1981 Pickup Brochure
      • 1981 User's Guide
      • 1981 Truck Facts Organizer
      • Tough '81 Pickups
      • 21 MPG Pickup
    • 1982 Literature >
      • 1982 Explorer Program
      • 1982 Engine Emissions Diagnosis >
        • Introduction
        • Book I - Engine/Emissions Diagnosis >
          • Index & Introduction
          • Diagnostic Routines
          • Emissions Related Components
          • Carburetors
          • Ignition Systems
          • Catalyst & Exhaust Systems
          • Exhaust Gas Recirculation
          • Evaporative Emission System
          • Inlet Air Temperature Control
          • Positive Crankcase Ventilation
          • Thermactor Systems
          • Fuel Delivery Systems
        • Book II - Electronic Diagnosis >
          • Emission Related Components
          • Diagnostic Routines
          • Engine Electronic Controls (EEC)
          • MCU's For I-4 & I-6 Engines
          • MCU's For V-6 & V-8 Engines
        • Metrics
      • 1982 Accessories
      • 1982 Bronco
      • 1982 Pickup Brochure
      • 1982 Special Performance Specifications
      • 1982 Light Truck Facts Book
      • 1982 Exterior Colors
    • 1983 Literature >
      • 1983 Bronco
      • 1983 Chassis-Cab
      • 1983 Dealer's Fact Book
      • 1983 F-Series
      • 1983 FORD LIGHT TRUCK EXTERIOR COLOR SELECTIONS
      • 1983 Owner Guide
    • 1984 Literature >
      • 1984 Explorer Program
      • 1984 Bronco
      • 1984 Emission DIagnosis >
        • Section 3 - Emission Related Components
        • Section 6 - Exhaust Gas Recirculation
        • Section 22 EEC-IV 4.9L Light Truck
        • Section 23 EEC-IV 5.0L & 5.8L Light Truck
        • Section 24 Quick Test Appendices
        • Section 25 Pinpoint Tests
      • 1984 Ford Trucks
      • 1984 Exterior Colors
      • 1984 F-Series Brochure
      • 1984 Owner Guide
      • 1984 Light Truck Data Book >
        • Bronco
        • F-Series
        • Axles
        • Brakes
        • Cab & Bodies
        • Clutch-Driveline-Transmission
        • Electrical
        • Engines - Diesel
        • Engines - Gas
        • Frames - Suspension - Steering
        • Noise Regulations
        • Safety Standards
        • Wheels - Rims - Tires
    • 1985 Literature >
      • 1985 EVTM
      • 1985 Body Builders
      • 1985 Bronco
      • 1985 Rapid-Spec Price List
      • 1985 Explorer
      • 1985 Explorer Program
      • 1985 Early F-Series Pickup
      • 1985 Late F-Series Pickup
      • 1985 Ford Trucks
      • 1985 Operating Guide
      • 1985 Owner Guide
      • 1985 Diesel Owner Guide Supplement
      • 1985 Exterior Colors
      • 1985 Carb & Fuel System Specs
    • 1986 Literature >
      • 1986 4-Wheeling With Ford
      • 1986 Explorer Program
      • 1986 Engine & Emissions Diagnosis >
        • Section 1 - Emission Control ID & Application
        • Section 2 - Diagnostic Routines
        • Section 3 - Emission Related Components
        • Section 4 - Carbs - Fuel Charging - Throttle Bodies
        • Section 5 - Catalyst & Exhaust Systems
        • Section 6 - EGR Systems
        • Section 7 - Evaportive Emissions Systems
        • Section 8 - Inlet Air Temp Systems
        • Section 9 - PCV Systems
        • Section 10 - Thermactor Systems
        • Section 11 - Fuel Delivery Systems
        • Section 12 Idle Speed Control - Vacuum Type
        • Section 13 - Glossary
        • Section 14 - Idle Speed Control - Electronic
        • Section 15 - Ignition Systems Timing Procedures & Diagnostics
        • Section 16 - Shift Indicator Light
        • Section 17 - Emission Maint Warning Light Reset
        • Section 18 - EEC-IV Quick Test
        • Section 19 - EEC-IV Passenger Car
        • Section 20 - EEC-IV Light Trucks
        • Section 21 - EEC-IV Pinpoint Tests
        • Section 22 - Diesel Diagnostics 2L
        • Section 23 - Diesel Diagnostics 2.3L Turbo
        • Section 24 - Diesel Diagnostics 6.6L
        • Section 25 - Diesel Diagnostics 6.9L
      • 1986 EVTM
      • 1986 Ford Light Truck Accessories Brochure
      • 1986 Color & Trim Selection Options
      • 1986 F-Series Pickups
      • 1986 Operating Guide
      • 1986 Ford Trucks
      • 1986 Trailer Towing Guide
      • 1986 Rapid-Spec Pricing
      • 1986 Maintenance Schedule
      • 1986 Owner Guide
      • 1986 Exterior Colors
      • Standard & Utility Parts Catalog
    • Training Manuals >
      • Ignition System Theory & Operation
      • Gasoline Engine Operations
      • Air Inlet Control Systems
      • Electronic Fuel Injection
      • Electronic Fuel Injection - Operation & Diagnosis
      • Electrical Systems
      • Automotive Electrical Systems Review
      • Automotive Measuring Devices & Systems
      • Fastening Devices & Torquing Techniques
      • Automatic Overdrive Transmission
      • Fuel & Air Inlet System Theory & Operation
      • 6.9L Diesel Engine
      • Overhauling Diesel Engine
      • Exhaust & Emission System Theory & Operation
      • Basic Gasoline Engine
      • Effect Of Engine Design On Emissions & Performance
      • Engine Superchargers
      • Basic Turbochargers
      • Light Truck Rear Antilock Braking Systems
      • Noise Vibration & Harshness
      • Non-EEC Related Driveability Diagnosis
      • Electronic Steering & Suspension Systems
      • Distributorless Ignition Systems
      • Compressor & Clutch Overhaul - Dealer Installed AC Systems
      • EEC-IV Sensors & Actuators
      • Microprocessor Control Unit Systems
      • TOD & SROD Four-Speed Manual Transmissions
    • Miscellaneous Literature >
      • Car & Driver 1980 Bronco Test
      • DeeZee >
        • DeeZee 1986 Catalog
        • DeeZee Cab Organizer Brochure
        • DeeZee Lited Grille Instructions
        • DeeZee Lited Running Board Instructions
        • DeeZee Side Box Board Instructions
      • Centurion
      • Gear Vendors Over-Underdrive Manual
      • Kelsey Electric Brake Controller Installation Instructions
      • Master Parts Catalog
      • Service Life >
        • Service Life Spring 1982
    • Index & Contents
    • Library Overview
  • About
  • Truck Shows
    • 2017 Truck Show
    • 2018 Truck Show
    • 2019 Truck Show
    • 2020 Truck Show >
      • Entrant #1: Dad's Truck
      • Entrant #2: Big Blue
      • Entrant #3: Tommy Sides 1986 F150
      • Entrant #4: Darth/Bill Vose
      • Entrant #5: Sam Noller's 1985 Bronco
      • Entrant #6: Mein Laster
      • Entrant #7: Andre's Bronco
      • Entrant #8: Chad's Rosebud
      • Entrant #9: Matthew’s Truck of Doom
      • Entrant #10: Ron's Flareside
      • Entrant #11: Cory's Blue Mule
      • Entrant #12: Ratdude747'S 1984 F150
      • Entrant #13: Ratdude747's '95 Ranger
      • Entrant #14: Heinz' 1986 F150
      • Entrant #15: Anna's Toy
      • Entrant #16: Frank's 1981 F-150 Custom
      • Entrant # 17: Petes 1981 F150 Flareside
      • Entrant #18: Eric's F250 XLT Lariat
      • Entrant #19: Geejaypea's Georgian Hulk
      • Entrant #20: JohnnyBronco85's Bronco
      • Entrant #21: Skaeke's 1985 F150 Lariat
      • Entrant #22: Sam1982's F100
      • Entrant #23: NostraDanus' 1986 Bronco
      • Entrant #24: MarkF100's F100
      • Entrant #25: Bruce moose4x4's 1996 Bronco
      • Entrant #26: Bruce Mooose4x4's 1995 F150
      • Entrant #27: Troy/66gtk's 1983 F150 XL SWB 4x2
      • Entrant #28: Matt Wood's 1985 Bronco
      • Entrant #29: WelderScott's '78 F150
      • Entrant #30: Mehmetcelikel's Brownie Dually
      • Entrant #31: Kristopherdb's 1985 Flairside 4x4
      • Entrant #32: Clifton's Tessa
      • Entrant #33: BinFord's Beverly
      • Entrant #34: BinFord's Crackling Rosie
      • Entrant #35: Dan aka dblohowiak's 1986 F250HD
      • Entrant #36: Jonathan's 1981 F150
      • Entrant #37: Jonathan's 1995 F Superduty
      • Entrant #38: Jonathan's 1986 F350 short bed crew cab IDI
      • Entrant #39: Brian's 1986 F250
      • Entrant #40: Jay's 1986 F150
      • Entrant #41: Eddie's 1981 F100 Custom
      • Entrant #42: Nick & George's Brutus
      • Entrant #43: Matthew's 1983 F350
      • Entrant #44: Hogie's 81 F250
      • Entrant #45: TontoKowalski's 1985 F150
      • Entrant #46: Danny's 1982 Bronco
      • Entrant #47: Greg's 1980 F150 Ranger XLT
      • Entrant #48: Chris' 1982 XLS
      • Entrant #49: Chris' 1985 Bronco
      • Entrant #50: Ken & Kathy's 1977 F250
      • Entrant #51: Ken & Kathy's 1985 Flareside
      • Entrant #52: Kevin/Teach's F250 Lariat
    • 2021 Truck Show
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  • Test Page
  • Forum Information
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    • Forum & Website Issues
    • Merchandise
  • Documentation
    • 3D Printing >
      • Brake Booster Pushrod Gauge
    • How To Decode Ford Part Numbers
    • Accessories >
      • Air Horns
      • CB Radio
      • Roll Bar
      • Step
      • Tie Down Hooks
      • Tonneau Cover
    • Body >
      • Bronco Rear Window
      • Bronco Roof
      • Body Shell, Exterior Trim, Frame & Underbody
      • Door Latches & Locks
      • Door Hinges Checks & Weatherstrips
      • Doors Hood & Tailgate General Service
      • Front Door Window Glass & Mechanisms
      • Hood & Hinges
      • Hood Latch
      • Lock Cylinders & Keys
      • Power Door Locks
      • Power Windows
      • Stationary Glass - Butyl Seal
      • Stationary Glass - Weatherstrip Seal
      • Tailgate
      • Vent Window Mechanism
      • Window Glass & Mechanisms - General Service
    • Bullnose FAQ's
    • Bullnose Upgrades
    • Calibration Info & Part #'s
    • Cooling Systems >
      • Engine Cooling System Training Manual
      • Cooling Fan #'s & Illustrations
      • Cooling System Illustrations
      • Coolant Recovery & Windshield Washer Reservoirs
      • Elbows
      • Heater Hoses
      • Hose Clamps
      • Radiator Hoses
      • Radiator Support
      • Radiators
      • Shroud Part #'s
      • Thermostats
      • Water Pump #'s & Illustrations
    • Driveline >
      • 4WD Front Hubs & Rotors
      • Axles & Differentials
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electronic engine control (EEC)

Provides information about Ford's Electronic Engine Control Systems, including EEC-III, EEV-IV, & EEC-V.
  • EEC-III
  • EEC-IV
  • EEC-V
  • Error Codes
  • Pin-Outs
<
>
  • 1984 Manual
  • Pulling Codes
<
>
Section 28 of Ford's 1984 EEC-III Tester Manual covering the 5.0L engines with central fuel injection (CFI).
  • Diagnostics
  • Code Checking
<
>
Schematics, connector pin-outs, and test procedures for Ford's EEC-IV systems.
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The EEC-IV equipped engines use an older diagnostic system to monitor and report engine related malfunctions.  This system is known as On Board Diagnostics (OBD-I).  The Diagnostic Trouble Codes (DTC's) are two or three digit numbers and can be read through the use of a scan tool, an analog voltmeter, or with the Malfunction Indicator Light (MIL) [Check Engine or Service Engine Soon light].  Use one of the following methods to obtain the DTC's and then refer to the 2-Digit Code tab.

Scan Tool Method
  1. Connect the scan tool to the self-test connectors.  Make certain the test button is unlatched or up.
  2. Start the engine and run it until normal operating temperature is reached.
  3. Turn the engine OFF and wait 10 seconds.
  4. Activate the test button on the STAR tester.
  5. Turn the ignition switch ON but don't start the engine.The codes will be transmitted.  Six to nine seconds after the last code, a single separator pulse will be transmitted.  Six to nine seconds after this pulse, the codes from the Continuous Memory will be transmitted.
  6. Record all service codes displayed.  Do not depress the throttle during the test.
  7. After the test, compare the DTC's retrieved from those in the 2-digit or 3-digit charts.
Analog Voltmeter or Test Light Method
If you have an analog volt meter, meaning one with an actual dial with a pointer, set the voltmeter to read DC 0-15 volts.  Then connect the positive lead of the meter to the battery positive terminal and connect the negative lead to the Self-Test Output (STO) pin of the diagnostic connector.  If you don't have an analog volt meter you can get the same results by replacing the volt meter with a simple 12v bulb.  Then, follow the directions given previously in the scan tool procedure.

To activate the procedure, use a jumper wire to connect the signal return pin on the diagnostic connector to the self test input connector.  The self test input line is the seperate wire and connector wih or near the diagnostic connector.  The codes will be transmitted as groups of needle sweeps.  This method may be used to read either 2 or 3 digit codes.  The Continuous Memory codes are seperated by the other codes by 6-seconds, a single sweep, and then another 6-second delay.  Compare the 2-digit Diagnostic Trouble Codes with those on that tab.
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Malfunction Indicator Lamp (MIL) Method
The Malfunction Indicator Lamp (MIL) on the dash (Engine Light) can be used to retrieve the stored codes.  This method does not allow for any system investigation.  This should only be used in the field where quick checks are needed.  Follow the directions previously given for the scan tool procedure.  To activate the tests, use a jumper wire to connect the signal return pin on the diagnostic connector to the Self-Test Input (STO) connector.  The self test input line is the separate wire and connector with or near the diagnostic connector.  Codes are transmitted with a pause between flashes.  Code 32 would be sent as 3-flashes, a pause and then 2-flashes.  A slightly longer pause separates the codes. The only way to repeat the code is to recycle the system.  The Continuous Memory Codes are separated from the other codes by 6-seconds, a flash and then another 6-second delay.  Compare the 2-digit and 3-digit Diagnostic Codes with the appropriate chart.

 Memory Codes
Memory codes are problems that the computer has noticed in the past. If for example there was a loose wire to a solenoid that only lost contact while driving but was making contact while testing the system there would be NO HARD FAULT CODE. The code would show up IN MEMORY. The same would happen for a sensor that only went out of range occasionally. Memory codes come out AFTER the separator pulse.
NOTE: The computer will erase the memory after a certain number of engine re-starts if the problem does not repeat itself. The number of re-starts varies from 20 to 80 depending on the year of the vehicle. The later models keep memory longer.


Key On Engine Running (KOER) Test
1.   Make sure engine is fully warmed. If in doubt, run engine at 2000 rpm for 2 minutes.
2.   Turn ignition off and wait 10 seconds for system to shut off. Make sure A/C is off and transmission is in Park (automatic) or Neutral (manual).
3.   Hook up light and jumper (or tester if you have one).
4.   Make sure vehicle is safe to run and start engine.
5.   Engine I.D. should be output.
6.   Step on brake and turn steering wheel 1/4 turn. If the vehicle has an overdrive cancel switch, push it.
7.   If a "Goose" pulse is received, move throttle quickly 1/2 way down and release.
8.   Fast Codes are output (ignore).
9.   Read codes.
10. See code explanations and check components as necessary.  Use FIRST CODE OUTPUT and retest after any repairs are made.


Key On Engine Off (KOEO) Test
 NOTE: On 4.9L trucks with a manual transmission hold the clutch pedal in during this test.  On Diesel engine trucks hold the throttle to the floor during this test.
1. Make sure engine is fully warmed. If in doubt, run engine at 2000 rpm for 2 minutes.
2. Turn ignition off and wait 10 seconds for system to shut off. Make sure A/C is off and transmission is in Park (automatic) or Neutral (manual).
3. Hook up light and jumper (or a tester if you have one). Turn key to ON (do not start engine).
4. Fast Codes are output (ignore fast light flashes).
NOTE: Unhook self test input jumper (or tester if used) at any time during code output to erase memory.
5. Read hard faults.
6. Separator Pulse.
7. Read memory codes.
8. See code explanations and check components as necessary.
Use FIRST CODE OUTPUT and retest after any repairs are made.


Test Hook-Ups
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Clearing Codes
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These codes are kept in memory for 40 warm up cycles.  To clear the codes for purposes of  testing or confirming repair, perform the code reading procedure.  When the fault codes begin to be displayed, de-activate the test by either disconnecting the jumper wire or releasing the test button on the hand scanner.  Stopping the test during code transmission will erase the continuous memory.  Do not disconnect the negative battery cable to clear the codes; the keep alive memory will be cleared and a new code (19) will be stored for loss of PCM power.
The following is a chapter out of a book entitled Professional Technician's Seminar - Ford Engine Performance - 1996.  It provides an overview of how Ford's EEC-V operates, how to test it, and schematics for the various 1996 implementations.
  • Short Version
  • Long Version
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It might also help to understand this if you look at the Standard Wire & Color Code Chart, which has the circuit numbers, circuit usage, and wire color.

Note to self: This file is Truck EEC Pinouts.xls at Ford Trucks/Website/Electrical/EEC Pinouts.