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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 574 (Entertainment System) >> Diagnostic Information and Procedures >> Speakers Inoperative - One Or More (W/Y91) >> Front Door Speakers, B-Pillar Speakers and Front Bass Speaker Inoperative

Front Door Speakers, B-Pillar Speakers and Front Bass Speaker Inoperative

WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Battery positive voltage circuit of the Bose 2000 amplifier-1 is open. Test battery positive voltage circuit of the Bose 2000 amplifier-1 for an open. Refer to CIRCUIT TESTING and to WIRING REPAIRS .
  2. Amplifier supply voltage circuit of the Bose 2000 amplifier-1 is open or shorted. Test the amplifier supply voltage circuit of the Bose 2000 amplifier-1 for an open. Refer to CIRCUIT TESTING and to WIRING REPAIRS .
  3. Ground circuit of the Bose 2000 amplifier-1 is open. Test ground circuit of the Bose 2000 amplifier-1 for an open. Refer to CIRCUIT TESTING and to WIRING REPAIRS .
  4. Audio output from the Bose 2000 amplifier-1 is not evident. 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 Reference . If AC voltage is not present, replace the amplifier. Refer to Amplifier Replacement - Rear Quarter (Luxury Y91) .
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