1 wire or 3 wire alternator, AQ260 V8

[1980 Volvo 5.7]

My Sierra 1 wire alternator just died last weekend. The new Sierra alternator (part # 18-5951) is a 3 wire unit. Where do I connect the two additional wires?

Any thoughts appreciated!

Chris

 

[Bondo]

Re: 1 wire or 3 wire alternator, AQ260 V8

My Sierra 1 wire alternator just died last weekend. The new Sierra alternator (part # 18-5951) is a 3 wire unit. Where do I connect the two additional wires?

Any thoughts appreciated!

Chris

Ayuh,... Welcome Aboard,... Why not just replace it with the Right 1,..??

 

[1980 Volvo 5.7]

Re: 1 wire or 3 wire alternator, AQ260 V8

Sierra does not carry The original 1 wire anymore...

 

[Don S]

Re: 1 wire or 3 wire alternator, AQ260 V8

The single wire is not OEM, and neither is the one you are trying to install. You will have to add a wire to the system to use that alternator.
You may already have a purple wire near the alternator that was removed from the OEM alternator. That would hook up to the black wire on the alternator plug. You will need a 16ga wire from the engines circuit breaker (output side) to the red wire on the alternator plug.

 

[1980 Volvo 5.7]

Re: 1 wire or 3 wire alternator, AQ260 V8

Awesome! Thanks!!!