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For 1990-2009 cars only

Horn Missing or Sounds Weak - kw electrical inoperative intermittent poor performance relay weak wire

Subject:Horn Missing or Sounds Weak

Models:.



When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.

Condition/Concern:

Horn is missing or sounds weak.

Recommendation/Instructions:

A production change was made early in the 2003 model year, eliminating the right hand (high-note) horn and wiring used in previous years. A single note horn is now used on models listed. Do not install a second horn and wiring.

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Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance. This diagnostic approach was developed for the vehicle with the VIN you entered and should not be automatically be used for other vehicles with similar symptoms.

Models:

(2003-2004 Chevrolet Venture) and (2003-2004 Oldsmobile Silhouette ) and ( 2003-2004 Pontiac Montana and Aztek ) and (2003-2004 Buick Rendezvous)

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