Question about 2005 Buick Park Avenue

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2005 Buick.. The automatic on and off switch quit working. Has anyone fixed one of these. I believe GM calls it a light sentinal. Available on most high end GM cars.

It was working on my way out to dinner and when I got back in the car after dinner it didn't work.

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  • Buick Master
  • 9,845 Answers

Check the fuse first. If it's ok then the sentinel module is bad.

Posted on Mar 16, 2016

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Posted on Jan 02, 2017

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SOURCE: car stalls 2000 buick regal

check for short circuit , ground fault, ignition switch problem.
check wires on ignition for damage, burns from short. if car starts occasionally and gives problem it will get worse, not safe

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SOURCE: 1997 Buick La Sabre Twilight Sentinel switch

Replace the switch

Posted on Oct 15, 2008

aaangie220
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SOURCE: fan switch on 2005 Buick rendevous

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blower motor regulators go bad because of the switching between low and high speeds. some times these are under the dash and require tiny hands and lots of patience.

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SOURCE: 2005 Buick Rendezvous Fuel Gauge

sound like fuel sending unit went out or a wire came a loose .

Posted on Apr 07, 2009

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SOURCE: headlights won't turn off

lol i'll tell you what to do about the 93 lesabre headlight problem, carry a wrench and disconnect the battery. not optimal but it's what i had to do. don't...kick the headlight button multiple times as i tried to do, it doesn't fix anything. although, as soon as i got used to disconnecting the battery cable, the problem suddenly stopped.

Posted on Aug 13, 2009

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