2004 Chevrolet TrailBlazer Logo
Posted on Jul 21, 2011
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I have a 2005 Trailblazer EXT. The cruise control all of a sudden stopped working and at the same time my interior light do not come on when I open the door. I am fairly certain it is a fuse. The owners manual is vague as to which fuse to check. Can you tell me which fuse it might be? Thanx! Bill

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Freddy

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  • Chevrolet Master 1,311 Answers
  • Posted on Aug 01, 2011
Freddy
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I don't believe the two problems are related. For the interior lights check fuses #4 and #40 in the rear fuse panel. Also make sure you didn't inadvertently press the interior light disable button on the left side of the dash.
The cruise control can be disabled for several reasons, such as the check engine light being on, brake lights on continuously, vehicle speed sensor defective or a defect in the turn signal stalk. A technician with a high end scan tool can diagnose the problem easily.

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