Alternator Wiring How-To

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speed1972

Founding Member

Mar 13, 2002

891

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16

Denver, CO - Buckley AFB

Oct 3, 2007

#1

• Oct 3, 2007

• #1

Can anyone explain the proper procedure for wiring an alternator and external regulator from scratch? I've done the research and all I find are wiring diagrams which do not explain how to connect it. There are 3 connections on the alternator and 3 connections on the regulator. Also, I'm pretty set sticking with my setup and do not want to accomplish the 3G swap right now.

thank you for any help you have,
LB

 

65fastbackresto

Active Member

Apr 13, 2007

1,229

7

39

AR

Oct 3, 2007

#2

• Oct 3, 2007

• #2

Just curious

If you bought the premade harness from the regulator to the altanator, wouldn`t it have instructions?

Maybe someone that sells the harness might have website with some tech info.

Just trying to help. Thats what I would do if I were you.

 

S

speed1972

Founding Member

Mar 13, 2002

891

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16

Denver, CO - Buckley AFB

Oct 3, 2007

#3

• Oct 3, 2007

• #3

I didn't realize they made a harness to cover that part.... Any ideas who sells it?

LB

 

C

chromedog

New Member

Jan 13, 2006

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worlds center for speed

Oct 3, 2007

#4

• Oct 3, 2007

• #4

in a factory harness, that is two separate pieces... (regulator is on the headlight feed, and alternator has its own pigtail) this website had the diagram for the early 'stangs, it should help http://www.hammar.dyndns.org/

 

1

10secgoal

Active Member

Dec 1, 2003

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49

San Diego

Oct 3, 2007

#5

• Oct 3, 2007

• #5

I know scott drake makes them. Depends on the year you have.

 

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JamesW

Member

Jul 15, 2005

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Central Texas

Oct 3, 2007

#6

• Oct 3, 2007

• #6

Does this help?

 

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rbohm

Founding Member

Apr 12, 2002

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tucson,az

Oct 3, 2007

#7

• Oct 3, 2007

• #7

check out www.mustangsteve.com and look up the tech article on gen to alt conversion. it has the diagram for wiring the alternator and external regulator properly.

 

S

speed1972

Founding Member

Mar 13, 2002

891

0

16

Denver, CO - Buckley AFB

Oct 3, 2007

#8

• Oct 3, 2007

• #8

rbohm said:

check out www.mustangsteve.com and look up the tech article on gen to alt conversion. it has the diagram for wiring the alternator and external regulator properly.

Click to expand...

That definitely hit the nail on the head for what I was looking for!!! Thank you.

Everyone else, thank you for your input as it definitely pointed me in the right direction! I was just missing those couple defining pieces....

LB

 

S

speed1972

Founding Member

Mar 13, 2002

891

0

16

Denver, CO - Buckley AFB

Oct 7, 2007

#9

• Oct 7, 2007

• #9

Ok so I rewired everything, put a new voltage regulator on, and had the alternator checked but I still get nothing. Could they have possibly not run the alternator check correctly? I really don't know what else it could be at this point. Any opinions?

LB

 

S

speed1972

Founding Member

Mar 13, 2002

891

0

16

Denver, CO - Buckley AFB

Oct 8, 2007

#10

• Oct 8, 2007

• #10

Ok so I may have realized something here but I have no intentions of installing one but here goes the quote from another forum....

"After everything was in I started her up, and she wasn't charging! After re-checking wiring and testing wires for breaks, I eventually remembered someone on the forum mentioning that the charging circuit needs the resitance of the idiot light bulb to function properly. I checked and mine was burned out, replaced it and she worked great."

If this is true and I'm guessing it is, how do I get around it? Is there an easy bypass as I don't have an idiot light hooked up?

thanks,
LB

HELP

 

rbohm

Founding Member

Apr 12, 2002

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tucson,az

Oct 8, 2007

#11

• Oct 8, 2007

• #11

as i recall you can use a small resistor in that line to simulate the resistance of the light. this is from an engine swap article written a number of years ago;

http://www.wingsisp.com/emboss/swapb5.htm

this should help.