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factory alarm problem... help

2K views 0 replies 1 participant last post by  BobC 
#1 ·
I have a factory alarm in my '99 M Coupe. I instaled it about a year ago and it worked fine for the first 6 months or so. Then it started acting up, it wouldn't arm sometimes and at times it would just start going off after about 30 seconds. I took it to the dealer and they replaced the hood switch. The alarm worked fine for a few more months but now it won't arm. I've checked the hood switch by holding it down while trying to set the alarm. That didn't get me anywhere. I checked the switch with a volt meter and it appears to be fine so the problem must be somewhere else. The dome light goes off when you close the doors so I don't think either door latch is out of alignment. Is there a switch for the hatch? If so where is it? Any other ideas on what to check? The car is no longer under warenty so I'm trying to figure this one out myself.
 
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