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wiring harness question

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Old Jul 10, 2004 | 07:00 PM
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Default wiring harness question

i'm changing my lights wiring harness {02 gmc} so i can have fog lights.....one off shoot with plug goes to a little thing in front of the radiator.....what exsactly is that little thing? auto headlight sensor?....thanks
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Old Jul 10, 2004 | 07:10 PM
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Thats a good question.
Mmmm..... A temp sensor?
Thats my guess but I don't know.
Do you have the temp guage on your rear view mirror?
maby thats what its for?
Just a long shot I have no idea...... sorry
HAHA
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Old Jul 10, 2004 | 07:12 PM
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Originally Posted by MY22ZTUK
i'm changing my lights wiring harness {02 gmc} so i can have fog lights.....one off shoot with plug goes to a little thing in front of the radiator.....what exsactly is that little thing? auto headlight sensor?....thanks
I'm not sure if it's the same way on the 02 silverado's. But on mine, my auto headlight sensor is on top of the dash near the front window. Don't know about the "thing" in front of the radiator though.
Philip S.
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Old Jul 10, 2004 | 07:37 PM
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yeah i have temp in rearview.......maybe thats what it is?
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Old Jul 10, 2004 | 08:14 PM
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Its an outside air temp sensor (OAT). Its used by the rearview mirror and HVAC (heat & air conditioning).
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Old Jul 10, 2004 | 08:46 PM
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Hey I Got One Right!!!
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Old Jul 10, 2004 | 10:30 PM
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thanks...... .....for you guys
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