Would be good if you would post who manufactured your chassis (coach builder and chassis builder are usually two different manufacturers).
Last year about this time - our Workhorse W-22 8.1l experienced a meltdown when the main chassis wiring harness fell into the A/C compressor pulley. I kept smelling something burning, but didn’t see any smoke. Fortunately I had made the decision to head for the next exit off the highway, and the engine died while rolling down the exit ramp. Wouldn’t restart.
Pulled the doghouse cover off, didn’t see any smoke or burned wiring. Fortunately we were within 20 miles of home. Got it towed to BIL’s house.
Digging into it the next day, found the main alternator charging wire was cut nearly in two by the A/C pulley, along with 4-5 partially severed fuel injector and coil pack wires.
And found a blown fuse for the ECM.
Repaired wires, replaced fuse, and had driven about a block before the A/C clutch started squealing. Fortunately it held together for the 5 mile trip home. Ordered a new compressor (which turned out to be a good thing as the OEM compressor had known issues for refrigerant leaks - which once I removed the compressor, the failure was obvious).
Moral of the story - if your not able to troubleshoot and fix it yourself, your at the mercy of others.
We can walk you through how to figure it out - but you need to have the chassis wiring diagram in front of you as well as a voltmeter (we can teach or walk you through on how to use the voltmeter).
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‘91 Ultrastar Champion‘02 Georgie Boy Landau 8.1l Workhorse
‘03 Jeep Wrangler TJ 2018 Jeep Wrangler JK toad
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