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
        • 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
      • 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
      • Standard Wire And Color Codes
      • Switches
      • Tachometers
      • Terminals & Connectors
      • Voltage Drop Testing
      • Windshield Wipers
      • Wiring Connectors
      • Wiring Diagrams
      • 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 >
        • 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
        • 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
    • 2022 Truck Show
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    • 2025 Truck Show
  • Test Page
  • Forum Information
    • Guidelines
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    • Forum FAQ's
    • Member's Map
    • 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
      • 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 >
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tachometers

Ford tachometers as used on or adaptable to the 1980 - 86 Ford trucks.
Most of this information was gleaned from this thread on the Ford Truck Enthusiasts forum.  I thank the guys that contributed to that thread - especially David & Jonathan who provided most of the pictures.  And, thanks to Bill for the info on the F & FT trucks.
Tachometers were an option on these trucks, and came with a different speedometer & trip odometer.  As the following table from the parts catalog shows, there were basically only two versions - a 6,000 RPM unit for the gasoline engines, and a 4,500 RPM unit for the diesel engines.  However, within each of those there were two versions - an "enclosed" version that had a cover over the discrete electronics components, and an "open" version that had no cover over the integrated circuitry - like these:
Picture
I should point out that the stock gas tachometers work on both 6 & 8 cylinder engines.  There is a terminal on the tach that when left open puts the tach in 6 cylinder mode, but when grounded puts it in 8 cylinder mode, as shown in this diagram.  The 8 cylinder engine wiring harness grounds it, but a 6 cylinder harness doesn't.  (You can find the diagram on Page 27 of the 1985 EVTM.  Or, click on the image to have it open larger.)
Picture

SUMMARY
The info below is good when you have the tach in your hand, meaning out of the instrument cluster.  But what if it is still in the truck or still in the instrument cluster?  Usually you can see the #'s on the face, and certainly the RPM range, and from the information below it looks like:
  • A 6000 RPM tach with E0TF-17B316-A is a gas tach, but may be either open or enclosed
  • A 4500 RPM tach with E0TF-17B316-B is a gas tach, but may be either open or enclosed
  • ​A 4500 RPM tach with E5TF-17B316-A is a diesel tach, but may be either open or enclosed
  • ​A 4000 RPM tach with E0TF-17B316-B is a gas tach of the open variety​
  • A 3500 RPM tach with no marking on the front is a diesel tach
​But, when you get the tach out there are the #'s on the rear of the tach - but only if it is an enclosed variety.  Apparently the enclosure itself of the "enclosed" variety is E0TF-17360-Y as both gas and diesel varieties show that.  So, to find the #'s that correspond to those below in the right hand column you take the "E0TF-17360" and the letters that are stamped in black ink.  For example, the first tach shown in the pictures has an AA in black, so it is E0TF 17360-AA and is, therefore, an enclosed style 6000 RPM gas tach.
Picture

However, since Ford used the same style dash in the big trucks (F600's to 800's), and since those engines operated at lower RPM's, there actually are other tachs around that will bolt right in and work.  NumberDummy supplied this information about those tachs and, as you can see, there is a wide range of full-scale RPM.  But be aware that some of those were 8-cylinder only and didn't have the 8-cylinder ground terminal.
Picture
Picture
Picture
PICTURES
Here are pictures of many of the tachometers from various sources to help you identify them:
  • 6000 RPM
  • 4500 RPM
  • 4000 RPM
  • 3500 RPM
<
>
This is an example of a standard E0TZ 17360-A 6000 RPM gas tach.  This one is of the early "enclosed" variety, meaning that it has an enclosure around the discrete electronic components.  The face says E0TF-17B316-A, and embossed on the rear is E0TF-17360-Y.  But, if you leave off the "Y" and use the stamped letters you get E0TF-17360-AA.  And, that's exactly what the parts catalog says the early version of E0TZ 17360-A should say.

This is a 6000 RPM tach for a gas engine, and is of the later "open" variety with no enclosure and integrated circuits.  The face says E0TF-17B316-A.
  • Gas
  • Diesel
<
>
This is a 4500 RPM gas tach of the "open" variety, meaning it has no outer housing and uses integrated circuits.  The face says EOTF-17B316-B.
Here are pictures supplied by Jonathan/Ford F834 of a closed style (non-integrated circuit) 4500 rpm gas engine tach. It came from a 1986 F700, so he expected it to be integral circuit, but it wasn't. The engineering number is E0TF-17360-Y (cast into the plastic) and BA stamped in ink next to it. Just below the cast numbers is F191 (also in ink). The face of the tach has the engineering number E0TF-17B316-B.
Here are two examples of the 4500 RPM diesel tachs, with an early "enclosed" variety on top and the later "open" variety below.  The faces of both say E5TF-17B316-A, and the rear of the enclosed version is stamped E5TF-17360-AA  Y  S184.  That matches up to what the catalog says the early version of an E5TZ 17360-A for the 1985/6 trucks should say.
This is a 4000 RPM gas tach of the early "enclosed variety.  The face says E0TF-17B316-B and embossed on the rear is E0TF-17360-Y and it is stamped BA E169.  That means it would show as E0TF-17360-BA in the catalog, but I can't find that item so I don't know the source.
And, here's a 3500 RPM diesel tach - enclosed.  It doesn't have any markings on the front of the face, although it is marked EOTF-17B316-D on the rear of the face.  And the rear is embossed E0TF-17360-Y and it is stamped DA  A211.  So, this one is the E0TZ 17360-D and it is marked E0TF 17360-DA, and these tachs came from an 1980 and later F or FT600 - 800 diesel with the AT-540 transmission.