LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

computer or wiring problem?

Old Jul 24, 2003 | 02:32 PM
  #1  
speedcrazy's Avatar
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From: Alberta, Canada
computer or wiring problem?

have a couple weird problems lately. my alarm normally never goes off or very rarely just for no reason but lately every day when i unlock my car it beeps 3 times letting me know that the alarm went off.
it has been going off for no reason alot the last week or 2. yesterday i was done driving car armed alarm and just for no reason 1 minute later it just went off.

other problem whether its related to above or not. lately when i get in and start the car the display where it shows the time is acting all funky. its flashing all different stuff. even saw it say rom1, rom2 and then the time is all screwed up.
its like a christmas tree flashing and then after a minute or 2 it goes away or if i turn off car and start it again its fine. a few times while driving it just started doing that too. most of time its on start up.

car works and runs fine other than that.
Old Jul 24, 2003 | 02:35 PM
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Clean all the grounds (might also want to replace the battery terminals while you're at it). This is what's causing the alarm and gauges to act like they are.
Don't forget this one too.
Old Jul 24, 2003 | 03:01 PM
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ok cool thanks man i will check it out. im at work but that ground i remember is there ok. i will check the terminals.
its not any other guages that go all weird. its only the display for clock and radio.
Old Jul 24, 2003 | 03:04 PM
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If you won't clean them soon, they will probably all go weird.
Old Jul 24, 2003 | 03:13 PM
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ok cool i will check the grounds. might be dumb question but how many and where are all the grounds besides the one in that picture you show.
Old Jul 24, 2003 | 03:38 PM
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Check the shock sensor for the alarm. It is located right above the spare tire. Unplug it and see if your problems go away.
Old Jul 24, 2003 | 03:45 PM
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thats a good point vegasZ. i did not know the sensor was there. about 2 weeks ago i was in there and moved the spare tire out. maybe i bumped something. ill try that.
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