LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1252 (Entertainment System) >> Diagnostic Information and Procedures >> Speakers Inoperative - One or More >> With RPO UW6

With RPO UW6

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Speaker output shorted - Test all speaker outputs for a short.
  2. Defective Radio - Replace Radio. Refer to RADIO REPLACEMENT  .


  1. Speaker output open. Test the appropriate speaker output circuits for an open.
  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 50 percent. If AC voltage is present, replace the speaker. Refer to SPEAKER REPLACEMENT REFERENCE  . If no AC voltage is present, replace the radio. Refer to RADIO REPLACEMENT  .


  1. Speaker output circuit high resistance. Test the appropriate speaker output circuits for high resistance.
  2. Defective speaker - Replace the appropriate speaker. Refer to SPEAKER REPLACEMENT REFERENCE  .
scientia non olet · About LEMON Manuals