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2005 Chevy Optra Alarm

Tiny
WIERSMACHRIS
  • MEMBER
  • 2005 CHEVROLET OPTRA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 52,000 MILES
My 2005 optra ls has a problem with the alarm system. The alarm keeps going off randomly without any reason. I have noted that it does it more often on windy days, but even when there is no wind it will sound. Is there a way to fix this myself, or disable the alarm? I have not found a specific fuse for the alarm, so just wondering what I can do.
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Friday, May 8th, 2009 AT 11:56 AM

2 Replies

Tiny
JMASSE
  • MEMBER
  • 1 POST
2004 Chevy Optra 4 cyl Automatic 60000 miles

Maybe a hood switch problems. The hood sensor is the only sensor not tied into the 'door ajar' light and tied directly into the anti-theft system.

The optra anti-theft wiring diagram is attached

I wish it could help you.
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Tuesday, August 4th, 2009 AT 12:27 AM
Tiny
WIERSMACHRIS
  • MEMBER
  • 2 POSTS
Thanks, I built up under the hood with some mettle and cold weld; finished it with some black rust paint to match the rest of the underhood. It's been two days and the alarm hasn't sounded.
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Tuesday, August 18th, 2009 AT 5:54 PM

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