RAM 3500 Truck 4WD L6-6.7L DSL Turbo (2008)
Starter Motor: Testing and Inspection
DIAGNOSIS AND TESTING - STARTER MOTOR
Correct starter motor operation can be confirmed by performing the following free running bench test. This test can only be performed with starter motor
removed from vehicle.
1. Remove starter motor from vehicle.
2. Mount starter motor securely in a soft-jawed bench vise. The vise jaws should be clamped on the mounting flange of starter motor. Never clamp
on starter motor by field frame.
3. Connect a suitable volt-ampere tester and a 12-volt battery to starter motor in series, and set ammeter to 100 ampere scale. See instructions
provided by manufacturer of volt-ampere tester being used.
4. Install jumper wire from solenoid terminal to solenoid battery terminal. The starter motor should operate. If starter motor fails to operate, replace
faulty starter motor assembly.
5. Adjust carbon pile load of tester to obtain free running test voltage.
6. Note reading on ammeter and compare reading to free running test maximum amperage draw.
7. If ammeter reading exceeds maximum amperage draw specification, replace faulty starter motor assembly.
STARTER SOLENOID
Certain vehicles with certain engines may require starter motor removal for the following test.
1. If necessary, remove starter motor from vehicle.
2. Disconnect solenoid connector wiring from starter motor.
3. Check for continuity between solenoid terminal (2) and solenoid case (3). There should be continuity. If not OK, replace faulty starter motor
assembly.