Heater switch panel wiring diagram needed?

DOLLABILL25

MEMBER
1991 CHEVROLET CUSTOM DELUXE
AUTOMATIC
150,000 MILES

So, I have the vehicle listed above C10 deluxe. I bought a new heater switch panel but my wiring on the new panel doesn't match up with the OEM wiring so I was just wondering if I could get the wiring diagram for the heater switch panel, please and thank you

4 Replies

JACOBANDNICKOLAS

MECHANIC
109,758 POSTS

Hi,

I suspect this is an 81 since you indicated that in the post. If it is a 91 (heading), let me know.

Because of the model year, 1981, my resources are very small. I found a schematic of the dash and instrument panel. The only thing I am seeing is related to the fan switch. I have a 1978 and other than a light, which is the only electric to the controller.

The page this came from was huge and extremely difficult to follow. I highlighted the areas that may help you. Let me know if it helps or if you have questions.

Take care and Happy Thanksgiving.

Joe

See pic below.

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Wednesday, November 22nd, 2023 AT 10:30 PM

DOLLABILL25

MEMBER
44 POSTS

Yeah it's helpful kind of I just can't read the color the wires though, lol.

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Thursday, November 23rd, 2023 AT 9:12 PM

DOLLABILL25

MEMBER
44 POSTS

Never mind, I pulled it up on my computer, and I can see it just fine. Thank you very much. Happy holidays

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Thursday, November 23rd, 2023 AT 9:14 PM

JACOBANDNICKOLAS

MECHANIC
109,758 POSTS

Thanks for the update. Sorry about the schematic. I had a feeling it would be difficult to follow.

Let me know if there is anything I can help with.

Take care,

Joe

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Thursday, November 23rd, 2023 AT 9:32 PM