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95 Chevy Lumina Electrical Wiring / Radio After Repair Help
01-05-2013, 12:53 AM
Post: #1
95 Chevy Lumina Electrical Wiring / Radio After Repair Help
Hello, first off I would like to say hello to everyone, this is my first post on this forum. I thought I would post this question and see if anyone had any info or tips for me.

I blew a head gasket in my car two weeks ago. I brought it to the shop, and just got it back yesterday.

When I got it back and started it, the first thing I noticed was that there is now no power going to the car radio. It is not a stock radio, but an AIWA head unit I personally installed. I know I could, and should have, went right in and said something about it, but honestly after not having a vehicle for two weeks, I was just happy to be able to drive it and didnt want to risk having to wait another day or two for them to have to fix this problem now. My first instinct was to check the fuse, which is fine. I also took the dash off to find that the fuse in the head unit itself is fine, and all the wires are still connected and intact.

Now hopefully this is where you fine people can come into play TongueRolleyesBig Grin

My question is, are there any harnesses or connectors inside the engine bay that they would have disconnected to fix my head gasket that would affect the power to my radio? I have power to everything else in that general area, including the cigarette lighter in which I believe would be on the same wiring harness (?)

If there are any tips anyone could give me, and if a harness and you would know the general area it would be in? Basically any input would be appreciated.

Thank you all for taking the time to read and give your info! Smile

Also, this is all in a 1995 Chevy Lumina 3.1L
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01-05-2013, 11:48 AM
Post: #2
RE: 95 Chevy Lumina Electrical Wiring / Radio After Repair Help
Since you installed the radio then you can answer the first question. Did you run a dedicated power wire back to the battery and is it connected?

That said, if you connected to the normal radio spot in the original harness I'd look at each fuse in both fuse boxes with a test light plus any accessory relays in the power center under the hood. The typical OEM radio has two fuses. One for the power with the key on and one for the clock / memory that stays hot with the key off.

BTW, there is no reason to disconnect any of the big harness plugs at the firewall. Any seasoned mechanic will tell you it's a royal pain so never go that route.

Let us know what you find as it may help someone else reading this forum.
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