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Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
ALL CHANNELS SHORTED TOGETHER OR TO GROUND - DIAGNOSTIC PROCEDURE

TEST ACTION
1
NOTE: The fault condition must be present to continue diagnosis. Use the DRB III to perform the Amplifier Pre-test to verify the fault condition is present before continuing diagnosis.
NOTE: Inspect the Amplifier harness connector and terminals for damage that could cause several terminals/circuits to contact each other. Repair as necessary.
Turn the ignition off.Disconnect the Amplifier C1 harness connector.Measure the resistance between ground and each of the Speaker (+) and (-) circuits (8 circuits total).Is the resistance below 1000 ohms for any of the measurements?
  1. Yes --> Repair the circuits that measured below 1000 ohms for a short to ground.

    Perform BODY VERIFICATION TEST - VER 1  .

  2. No --> Go To 2
2 Turn the ignition off.
Disconnect the Amplifier C1 harness connector.
Disconnect each speaker harness connector (6 total).
Measure the resistance between each Speaker (+) and (-) circuits and every other Speaker circuit.
Is the resistance below 1000 ohms for any of the measurements?
  1. Yes --> Repair the circuits that measured below 1000 ohms for a short together.

    Perform BODY VERIFICATION TEST - VER 1  .

  2. No --> Replace the Amplifier in accordance with the service information.

    Perform BODY VERIFICATION TEST - VER 1  .
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