gm 1 wire

5.0_sleeper

New Member
Jun 6, 2006
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Hello, have a quick question for you guys. Was thinking about upgrading to a efan , but have been told stock alt won't hold up much. Instead of a 3g install, was wondering if anybody has tried a gm 1wire alt on a computer controlled 5.0?
If someone has send me some instructions on how you did the wiring.

thanks
 
what i did was take a ford g3 and have a alt. shop install a self exciteing regulator then all you need is one wire. the power wire that goes from the alt to the solonid(sp). make sure you use like 4ga wire and put a big enough fuse inline to handle the alt. I bought a wire kit from latemodel restoration supply (50resto.com) and did mine like that.
 
Unless this is done for cost (the GM alts can be cheap), a 3G can be made essentially into a 2 wire alt (the power cable and the excite circuit. For the latter, accessory and cranking 12 volt feed run through a resistor).
The other two regulator wires get looped. Easy.

Good luck.