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Alternator(1 wire vs 3 wire)

2K views 1 reply 2 participants last post by  horvath 
#1 ·
My 83 S-10 has a 1 wire alternator and a aftermarket wiring harness and I have been reading about the 3 wire setups.I had to put a relay on my elec.fan it was dropping the volts at the dash to 11.5.Now it stays up pretty good.I my have to put relays on the headlights too.My 1 wire seems to do the job but I am cofussed now.What would be better for my S-10?
 
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