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Old 01-01-2021, 03:25 PM   #1
BigBird05
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Inside rear view mirror

Does anybody have the wiring diagram for a 2003 rear view mirror?
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Old 01-01-2021, 10:45 PM   #2
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Re: Inside rear view mirror

What options on your mirror?
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Old 01-02-2021, 10:31 AM   #3
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Re: Inside rear view mirror

2003 Yukon with comp and temp.
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Old 01-02-2021, 06:38 PM   #4
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Re: Inside rear view mirror

Tomorrow or Monday I'll be back home for more than 2 minutes.
I'll dig up the diagrams in the 05 service manuals. Assuming the Pickup trucks are the same as the SUV in this regard. Not everything is the same between them. Helm lists separate service manuals for the SUV and the Pickups.
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1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8


RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.
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Old 01-07-2021, 12:24 PM   #5
biketopia
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Re: Inside rear view mirror

here you go
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Old 01-08-2021, 10:37 AM   #6
BigBird05
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Re: Inside rear view mirror

Thanks. So I hooked up the + and - the ambient air sensor and it didn't light up. Any ideas?
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Old 01-12-2021, 11:43 AM   #7
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Re: Inside rear view mirror

Recheck your connections.

If the schematics are correct...

6 should run to the A terminal on the air temp sensor.
7 should run to the B terminal on the air temp sensor.

8 should be chassis ground.
13 should be ignition power.

Power and ground are easy.
You can ohm out the temp sensor wires with long test leads the proper probe terminals to make sure each side connects from the mirror all the way to the sensor.
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1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8


RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.
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Old 01-12-2021, 01:44 PM   #8
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Re: Inside rear view mirror

whops missed the initial follow up, but to hatzie's comment he is spot on. And the diagram is for an 03 yukon.
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Old 01-12-2021, 09:07 PM   #9
BigBird05
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Re: Inside rear view mirror

I have it on the bench right now. I'm going to plug it into the Yukon wiring connector and see if it lights up. If It does then I will buy a new ambient temp sensor.
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