No Sound From Left Door Speakers

NO SOUND FROM LEFT DOOR SPEAKERS

No Sound From Left Door Speakers:

POSSIBLE CAUSES
- Amplified left door speaker (+) circuit open
- Amplified left door speaker (-) circuit open
- Power amplifier

DIAGNOSTIC TEST

1. MEASURE LEFT DOOR SPEAKER CIRCUIT RESISTANCE




Turn the ignition off.
Disconnect the Power Amplifier harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Disconnect the Left Door Speaker harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Connect a jumper wire between cavity 1 and cavity 2 of inline harness connector C229.
Measure the resistance between cavity 8 (connector B) and cavity 18 (connector B) of the Power Amplifier harness connector.

Q: Is the resistance below 5.0 ohms?

YES: Replace the Power Amplifier. Perform BODY VERIFICATION TEST. Body Verification Test
NO: Repair the Amplified Left Door Speaker (+) or (-) circuit for an open. Perform BODY VERIFICATION TEST. Body Verification Test