Initial Inspection and Diagnostic Overview

1. Verify customer concern by road testing the vehicle and operating the speed control system.
2. Visually inspect the following components of the speed control system.

VISUAL INSPECTION CHART

MECHANICAL
^ Speed control cable binding

ELECTRICAL
^ Blown fuse(s):
- 15A ENGINE
- 20A STOP
^ Brake On/Off (BOO) switch
^ Corroded or poor connections
^ Broken or loose wiring

3. Check the wiring harness for obvious signs of shorts, opens, bad connections, or damage.
4. Make sure the speedometer and stoplamps function properly.
5. Make sure the throttle cable is adjusted properly without holding the throttle open or increasing idle speed.
6. Make sure the throttle linkage operates freely and smoothly when connected to the speed control cable and speed control servo.
7. If all checks are OK, proceed to the Symptom Chart. Symptom Related Diagnostic Procedures