RAM 3500 Truck 2WD V10-8.0L VIN W MDC (1999)
Cruise Control Servo: Testing and Inspection
For additional testing and inspection information please refer to Powertrain Management/Computers and Control Systems/ See: Body and Frame/Body
Control Systems/Central Timer Module
For complete speed control system diagnosis, refer to the appropriate Powertrain Diagnostic Procedures. To test the speed control servo only, refer to the
following:
The engine must be started and running for the following voltage tests.
1. Start engine.
Speed Control Servo Location
2. Disconnect 4-way electrical connector at servo. Servo is attached to battery tray.
3. Turn speed control switch to ON position.
Fig. 4 Servo Harness Connector
4. Check for battery voltage at pin-3 of wiring harness 4-way connector. This is the 12 volt feed from the stoplamp switch. When the brake pedal is
depressed, voltage should not be present at pin-3. If voltage is not present with brake pedal not depressed, check for continuity between servo and
