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All the Sercive lights come when hitting a bump?

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Old 04-10-2007, 01:01 PM
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Default All the Sercive lights come when hitting a bump?

My buddy has a 1999 Old Intrigue everytime he hits a bump in the road all the service lights come on. LowTrac, SES, ABS, etc. It happens only when hitting a bump in the road other than that there fine any help thanks.
Old 04-10-2007, 01:06 PM
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check the wheel speed sensor harness for signs of bein pinched sounds crazy but i had that happen to a venture van i worked on one time spent hours looking for a problem i eventually found it it aslo had similar symptoms
Old 04-10-2007, 01:42 PM
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I'd guess that it's likey a ground somewhere that's loose. Finding it will be the hard part, but I'd start with the dash since that's where the issue seems to be.
Old 04-11-2007, 10:05 AM
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It happened to me when my power wire to the PCM (near the fuse boxes under the hood with the red cap) had the bolt come loose. Car bogged down though, so probably a different issue.
Old 04-11-2007, 10:36 AM
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I'd guess that it's likey a ground somewhere that's loose
happened to me before, luckily it was just the ground on the battery so it was easy to find
Old 04-11-2007, 04:45 PM
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Could someone tell me why a loose ground will cause this? Thanks.




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