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