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cccbock
post May 4 2008, 10:32 PM
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I was diddling around this afternoon and just changed my oil and was running the motor for about 5 minutes. This is a 96 LT1 car.

I inadvertently touched the ground coming out of the harness which is mounted to the radiator support to the drivers left of the radiator. This ground appears to come from the underhood fuse/relay box near the ABS. It was HOT to the touch.

Just for grins I opened the fuse/relay box, and all the operational relays (fans, ABS) were also hot (fans were on at the time). The metal area around the actual ground was NOT HOT.

Q1: Should either the ground, or the relays be hot?
Q2: If not, do you think making a better ground here (clean up and remount) will fix the HOT situation?

Bock (not an electrical guy) Folken
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AllZWay
post May 6 2008, 03:06 PM
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Kevin is correct. That is most likely the problem. When building my CMC car, I had to add a big grounding strap from the engine to the chassis to stop from burning the small ground strap from the factory.
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cccbock
post May 9 2008, 11:09 AM
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QUOTE (AllZWay @ May 6 2008, 11:06 AM) *
Kevin is correct. That is most likely the problem. When building my CMC car, I had to add a big grounding strap from the engine to the chassis to stop from burning the small ground strap from the factory.


Update:

I cleaned and remounted three existing grounds in the front left quarter area and this seems to have helped.

I purchased a "Universal" ground strap from the local parts monkey just in case...it goes into the "hope I never need that" pile in the corner.

Thanks Guys.

Bock
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Posts in this topic
cccbock   Harness Ground Hot   May 4 2008, 10:32 PM
trackbird   You could be missing an engine grounding strap (I ...   May 5 2008, 02:01 PM
AllZWay   Kevin is correct. That is most likely the problem...   May 6 2008, 03:06 PM
cccbock   QUOTE (AllZWay @ May 6 2008, 11:06 AM) Ke...   May 9 2008, 11:09 AM
trackbird   I'd just put it on. Insurance. Better to have ...   May 9 2008, 01:59 PM
cccbock   QUOTE (trackbird @ May 9 2008, 09:59 AM) ...   May 9 2008, 03:02 PM
trackbird   Bolt it to something solid with a good clean conne...   May 9 2008, 03:15 PM
CrashTestDummy   Back in the 'old' days, late '70's...   May 9 2008, 05:34 PM

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