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With RPO UW6

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Speaker output open. Test the appropriate speaker output circuits for an open. Refer to CIRCUIT TESTING and WIRING REPAIRS .
  2. No audio output from the radio. Test for any AC voltage between the appropriate speaker output circuits at the speaker harness connector, disconnected with the radio volume adjusted to an audible level. If AC voltage is present, replace the speaker. Refer to SPEAKER REPLACEMENT - Rear , SPEAKER REPLACEMENT - Front  or SPEAKER REPLACEMENT - Front Door . If no AC voltage is present, replace the radio. Refer to Radio Replacement .
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