How to Rewire an OBD2 Alternator to work on an OBD1 car

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Honda OBD1 to OBD2 Alternator Wiring Guide​


If you don't have an obd1 alternator, a quick re-wiring of the obd2 plug pigtail can help save you some money.

The wiring process is fairly straightforward.

obd2 alternator plug__ obd1 wire harness

black with yellow strip__ black with yellow strip
white with blue strip __white with blue strip
white with red strip__ all blue wire
white with green strip __white with yellow strip

alternator.plugs.jpg
 
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