Cadillac hearse wire harness wanted

I have a 1983 Cad Hearse with a 5.7 motor. It has been worked on by many over the years. During those years, many wires were cut. The ac/heater does not work properly due to this. There is not a wiring diagram available. The harnesses were made by a local man for Superior Coaches in that year. Does anyone know where I can get one?
 
The basic wiring that controls the engine, lighting, HVAC, power windows, etc. is all manufactured by the Cadillac division of General Motors, and there is a strong possibility that it is the same across all Cadillacs of the same year as your car.
This company may have what you need...

American Autowire, Inc
150 Heller Pl #17
Bellmawr, NJ 08031
800-482-9473
 
or stop by any u-pull it yard and find he one the snip happy man hasn't yet. the under hood dash wiring is standard GM. if they added anything up front they ran separate wires for it.
 
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