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Old 08-02-2023, 08:13 PM   #1
Join Date: Mar 2020
Location: Florida Panhandle
Posts: 51
Looking for help diagnosing an electrical problem in Pensacola, FL

Hey guys!

My bus got chewed on by some mice a couple years back, and started to develop a few problems in the electrical...

The problem first started when the air-brake alarm started alarming randomly while I was driving. It would come and go, and even while it was blaring, it sounded like it was only half-connected. The brakes worked fine, and I had a mechanic give me a second opinion. He also confirmed that the brakes themselves had no issues and it was just some electrical problem with the alarm. So I let it be for the time and kept traveling.

However, recently the problem seems to have spread. The gauges on the dash only work intermittently. The fan up front (my best friend) stopped working. And very recently the horn started to go off on its own (much like a security system). The horn only blares if the batteries are all connected and the engine is not running. As soon as the engine is running, the horn shuts up. But when I turn the engine off, it starts blaring again.

Anyway... the local mechanic I usually take her to said they wouldn't be able to get to it for over a month. I'm checking with some other local mechanics, but I'm wondering if anyone on here is nearby and would know how to track down the problems and solve it. I'm willing to pay.

I've been told (in another post on here years ago) that the wiring diagram on my bus is beautiful and that I should be grateful to have something so clear and in good condition. Unfortunately, I still don't understand it, so I don't know how to track down the problem myself, and I don't have the time to do it even if I wanted to give it a go.

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Old 08-03-2023, 11:00 AM   #2
Bus Nut
sportyrick's Avatar
Join Date: May 2006
Location: mid Mo.
Posts: 869
Year: 1976
Coachwork: bluebird
Chassis: F33695
Engine: 427 chevy converted to 466
Rated Cap: 84
Insulation on automotive newer wires is produced with soybeans, the mice love it, anyone who doesn't protect their investment from mice is asking for it. You need to go where no one has gone before, where the mice congregate in hidden compartments, heater and defrost boxes, under dash, wire runways and find where they have set up house and re-insulate wires if possible or replace one at a time. You can grab an old wiring harness out of a junk vehicle and get most of the colors you need to match up to yours, happy hunting.
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electric issue, florida mechanic, mechanic needed, pensacola

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