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Hey, i have a 73 nova that i bought and the guy before me did a backyard wiring job to it and butchered the hole interior harness to the car. i have someone that has a complete 71 nova wiring harness. how close are the harnesses and will there be any modifications to make it work.
thanks
 

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Starting in 72 a seat belt warning circuit was added. There will be wires in the 73 harness the 71 does not have. If the connector from the engine compartment is the same you should be fine if you can live without the seat belt light and buzzer.
 

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Probably the worst hiccup for interchangeability of these cars, none of the harnesses are the same, but that's not to say they cannot be used in different models or years. If you are comfortable with wiring and you are able to acquire the complete harness front to back from the 71, it could be made to work, less the seat belt warning light as mentioned. With schematics it should be fairly straight forward to sort out.:yes:
 
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