Diesel Data: Automotive Repair

General Service Procedure

1. Visually inspect the vehicle. Any after market modifications, including but not limited to those listed below, may cause speed control to not operate correctly:

^ Any wiring or lamp modifications affecting brake lamp operation

^ LED brake lamps

^ Non-factory installed trailer wiring

^ Radios (speed sensitive, auto mute)

^ Remote starters and alarms

^ Lighting and electrical accessories modifications

2. Visually inspect the servo and accelerator controls:

^ Visually inspect speed control cable without removing and ensure smooth cable operation. Inspect cable connection to the throttle body

^ Visually inspect accelerator cable without removing and ensure smooth cable operation. Inspect cable connection to throttle body. Also check for interference with carpet, bulkhead grommet, insulation, and instrument panel wiring