GTA91

iTrader: (14)

Just got my car up and running and it's a '98 motor. It has a 1 wire alternator and it doesn't seem to be charging at all. Does that wire need 12V (ignition on) applied to it to make it an exciter wire or what? Any help would be greatly appreciated. Right now we have that one wire hooked up to feed my gage in the dash and the gage seems to be working but the battery isn't getting charged... it's dead right now



Thanks!
-Jeremy

jimmyp

iTrader: (1)

there is a good few posts about this..do a search and you will have your answer. I think you have to run it to a 12v source with a resister inline.

Monza355

iTrader: (3)

I thought the one wire had to go to the battery with an 8 ga or better wire.

Bill

jimmyp

iTrader: (1)

thats the main wire..there is also a small plug in the back with 4 prongs in it ............only 1 is used though

69GMC/99LS1

Per the '99 service manual the red wire 22awg red wire goes from terminal "L" on the alternator to pin 15 on the red connector on the PCM. Alternator terminal "L" is terminal "B" is the 4 wire plug...

jimmyp

iTrader: (1)

if i remember right this is for the 99+ pcms, the 98s still needed the resistor inline to a 12v source

Pro Stock John

iTrader: (34)

98's are different do a search.

GTA91

iTrader: (14)

Thanks... I'll try doing another search... only found a few posts the first time.

ProStockJohn- Badass ride... I want to do a blower or turbo on this thing next

KVU

iTrader: (1)

If you are using a 98 harness for your conversion then tie into pin 65 (C2 blue connector) from the alternator connector pin b. That will solve the charging issues when using a 98 harness(no resistor needed).