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Wiring Diagrams

Engine Mechanical, Chassis
& Electrical

  • Domestic Auto
  • Domestic Truck
  • Import Auto & Truck
  • Engine Performance

    Drive Axles

    1975 Domestic Light Truck

    Drive Axles

    4-Wheel Drive Steering Knuckles, Locking Hubs, Propeller Shafts


    Drive Axles

    Gear Tooth Contact Patterns

    Chrysler Corp. 8-3/8" & 9-1/4" Ring Gear

    Ford Motor Co. Separate Housing

    General Motors 8-1/2 & 8-7/8" Ring Gear

    General Motors 10-1/2" Ring Gear

    General Motors 12-1/4" Ring Gear

    GMC Motor Home Front Wheel Drive

    International Harvester Full-Floating

    Dana/Spicer Semi-Floating

    Dana/Spicer Full-Floating

    Rockwell Single Speed


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    Positive Traction Differentials

    Chrysler Corp. Sure-Grip

    Ford Motor Co. Traction-Lok

    General Motors Positraction

    Dana/Spicer Power-Lok

    Dana/Spicer Trac-Lok

    Eaton Positraction


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    4-Wheel Drive Steering Knuckles

    Open Steering Knuckles

    Closed Steering Knuckles

    Locking Hubs

    Dana/Spicer Internal Locking

    Warn Selective Lock-O-Matic

    Warn Selective Manual Type

    Warn Selective Spring Lock Type

    Propeller Shafts

    Propeller Shaft Alignment

    Universal Joints


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