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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1632 (Entertainment System) >> Diagnostic Information and Procedures >> Speakers Inoperative-One or More >> Speakers-One Channel Inoperative >> With RPO UQ7

With RPO UQ7

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: With RPO Y91, Bose amplifier. Perform the setup procedure for the amplifier. Refer to Audio Amplifier Setup   . 
  1. Speaker output circuit from amplifier shorted. Test the appropriate speaker output circuits for a short to ground or short to voltage. Refer to CIRCUIT TESTING  and WIRING REPAIRS .
  2. Replace the amplifier. Refer to Amplifier Replacement   . 
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