Posted by Jon Hagen on October 08, 2016 at 13:41:12 from (64.68.4.241):
In Reply to: Re: One wire alternator posted by Fred Werring on October 08, 2016 at 06:55:34:
Sounds like a good plan. I prefer a gen light (even a hidden one) over a diode because of the unnecessary extra load the diode places on the ignition switch and wiring. A diode will "full field" the alternator, about 3+ amps draw, which almost doubles the load on the ignition switch and wiring, which can cause weak spark and hard starting. A generator light adds less than 1/4 amp load to the ignition circuit, yet is plenty to excite the alternator. Please use an insulated terminal to connect to the #1 excite terminal,(and / or the #2 sense terminal) as it runs so close to the alternator case that an accidental tug on that wire could short it to the alt case. Buy a GM harness repair plug kit from the auto parts store, buy a plastic insulated terminal or add a bit of shrink tubing to cover a bare spade connector to make it safe.
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