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external regulator alternator wiring
#90952 Sat Jul 10 2004 12:29 AM
Joined: Feb 2003
Posts: 66
B
Brian K Offline OP
Shop Shark
Can someone please tell me what wires should go where on an external regulator alternator (GM).

Thanks,
BrianK


Sometimes, David beats Goliath. Nobody talks, however, about how many little guys Goliath already beat into the ground. . .
Re: external regulator alternator wiring
#90953 Sat Jul 10 2004 03:41 AM
Joined: Feb 2004
Posts: 22,595
H
'Bolter
I've got some factory diagrams stashed away somewhere. The circuit is different for applications with an ammeter than the ones with an idiot light. The ammeter-equipped circuit needs a resistor in it somewhere, don't remember exactly where, to keep the engine from continuing to run when the key is turned off. Been there, done that! I'll try to post a diagram when I get back to the farm in a couple of days, if someone hasn't helped out by then.

Here's a circuit that should work. I don't know if your system has an indicator light or an ammeter, so I've included both circuits. If you choose not to use the light, just eliminate that part of the circuit, but keep the resistor. Good luck!

[img]http://www.hunt101.com/img/197642.jpg[/img]
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: external regulator alternator wiring
#90954 Sun Jul 11 2004 04:05 AM
Joined: Feb 2004
Posts: 22,595
H
'Bolter
Hmmmm- - - -Better bump this one back to the top!
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: external regulator alternator wiring
#90955 Sun Jul 11 2004 04:51 AM
Joined: Mar 2001
Posts: 317
G
Member
Here is one that covers lighting for an AD truck........It was made by a user here (Chief? someone correct me if I am wrong).
I still had it on my website, or it would have been lost.

On my Dad's '57 3600, we used an SI 10 Alternator, no need to fool around with all those wires. We did use an "Idiot" light on a harness we made ourselves.
Without the light, the truck would not turn off.
Ammeter still worked, no re-wiring required.
Beat the heck out of a Generator, especially on a 283.
I am sure better answers will come along shortly.
I am a "jack-of-all-trades", but Master of NONE!


*** GMC ***

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