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May 1, 2007 Service bulletin

High effort to sound horn, horn only sounds when certain spots are pressed

Pontiac technical service bulletin 050854001 for 2005-2007 Pontiac Montana, 2005-2007 Chevrolet Uplander and 2005-2007 Buick Terraza and others.

Bulletin number
050854001
Component
Electrical system: horn
Summary
High effort to sound horn, horn only sounds when certain spots are pressed. Tt

Owners of these vehicles have filed 219 complaints in the electrical category.

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