Power and Ground Circuit Check

AUTO AMP REMOVAL

- Remove driver's side instrument lower lid.
- Remove vent duct.
- Remove auto amp with harness connected.

Auto Amp Testing Procedure:

POWER SUPPLY CHECK

- Disconnect auto amp connector.
- Connect VOM from harness side.
- Turn ignition switch ON.
- Measure voltage across terminals 40 and 41. Should equal 12V.

Auto Amp Testing Procedure, Con't:

GROUND CHECK


- Turn ignition switch OFF.
- Disconnect auto amp connector.
- Connect VOM from harness side
- Probe from terminals 55 and 33 to ground. Should have continuity.