* Alternator Wiring Help *
Thread Starter
Race Director
Joined: May 2003
Posts: 11,814
Likes: 9
From: Science Bitch! Mississauga, Ontario
Canadian Events Coordinator
* Alternator Wiring Help *
I recently installed a 100amp alternator and would like to see pics of how to install a heavier gauge wire to support the extra current.
Which gauge wire do I use?
Do I have to install an inline fuse somewhere along the line?
What size fuse?
Any help is appreciated even if you don't have pics.
Thanks, Les
http://www.summitracing.com/parts/PWM-27294/
Which gauge wire do I use?
Do I have to install an inline fuse somewhere along the line?
What size fuse?
Any help is appreciated even if you don't have pics.
Thanks, Les
http://www.summitracing.com/parts/PWM-27294/
Last edited by AGVI; Oct 13, 2012 at 05:57 PM.
Le Mans Master
Joined: Aug 2010
Posts: 9,272
Likes: 17
I ran an 8 gauge wire from the positive post on the back of the alternator to the large positive post on the starter. I didnt remove the original wire but left it in parallel with it. works fine. most of the rebuilders sell them already made up in any length you need. used a 120 amp fuse. hope this helps
http://www.google.com/url?sa=t&rct=j...tM1ZOOWlDOmFKw
http://www.google.com/url?sa=t&rct=j...tM1ZOOWlDOmFKw
Last edited by oldalaskaman; Oct 13, 2012 at 01:18 PM.
Thread Starter
Race Director
Joined: May 2003
Posts: 11,814
Likes: 9
From: Science Bitch! Mississauga, Ontario
Canadian Events Coordinator
Thread Starter
Race Director
Joined: May 2003
Posts: 11,814
Likes: 9
From: Science Bitch! Mississauga, Ontario
Canadian Events Coordinator
I ran an 8 gauge wire from the positive post on the back of the alternator to the large positive post on the starter. I didnt remove the original wire but left it in parallel with it. works fine. most of the rebuilders sell them already made up in any length you need. used a 120 amp fuse. hope this helps
http://www.google.com/url?sa=t&rct=j...tM1ZOOWlDOmFKw
http://www.google.com/url?sa=t&rct=j...tM1ZOOWlDOmFKw
Les
Le Mans Master
Joined: Aug 2010
Posts: 9,272
Likes: 17
no , its the same, but I fused it to the output of my alternator, if the alternator starts juicing higher amps then that , I'd like the fuse to pop before it damages things
Burning Brakes
Joined: Jan 2006
Posts: 1,223
Likes: 174
From: Fort Wayne IN
It's fused so that the current draw doesn't exceed the capabilities of the wire. It doesn't matter how many amps the alternator can provide.
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Le Mans Master
Joined: Aug 2010
Posts: 9,272
Likes: 17
My alt. is one of the skip white 120 amp versions. I'm also running two big electric radiator fans, a mini frankinstarter, High amp driving lights. If something spikes, say a relay fries, it gives it a bit of time to unspike itself. You are best staying with the 80% thinking,its safe and wont hurt the performance
Last edited by oldalaskaman; Oct 13, 2012 at 08:14 PM.
Le Mans Master
Joined: Aug 2010
Posts: 9,272
Likes: 17
a lot depends on how you hook it up , accessories, series or parallel, etc. but you are right . I have mine set up a bit different
Le Mans Master
Joined: Aug 2010
Posts: 9,272
Likes: 17
I recently installed a 100amp alternator and would like to see pics of how to install a heavier gauge wire to support the extra current.
Which gauge wire do I use?
Do I have to install an inline fuse somewhere along the line?
What size fuse?
Any help is appreciated even if you don't have pics.
Thanks, Les
http://www.summitracing.com/parts/PWM-27294/
Which gauge wire do I use?
Do I have to install an inline fuse somewhere along the line?
What size fuse?
Any help is appreciated even if you don't have pics.
Thanks, Les
http://www.summitracing.com/parts/PWM-27294/
btw you will be happier with it as a three wire, there is a lot of tech. on the difference from a one wire
Last edited by oldalaskaman; Oct 13, 2012 at 07:46 PM.
Le Mans Master
Joined: Aug 2010
Posts: 9,272
Likes: 17
Heres some tech from powermaster
http://www.powermastermotorsports.com/charge_wires.html
the absolute best advice I can give it to follow powermasters recommended way of doing it
1. they built the alternator and know what works
2. if you dont do it their way it may void your warranty
3. their warranty is only good for 12 months from the date of purchase
hope this helps
http://www.powermastermotorsports.co...ternators.html
http://www.powermastermotorsports.com/charge_wires.html
the absolute best advice I can give it to follow powermasters recommended way of doing it
1. they built the alternator and know what works
2. if you dont do it their way it may void your warranty
3. their warranty is only good for 12 months from the date of purchase
hope this helps
http://www.powermastermotorsports.co...ternators.html
Last edited by oldalaskaman; Oct 13, 2012 at 08:15 PM.
Thread Starter
Race Director
Joined: May 2003
Posts: 11,814
Likes: 9
From: Science Bitch! Mississauga, Ontario
Canadian Events Coordinator
Yeah, I'm just gonna throw an 8 awg wire in between the alt and the starter with a fuse in between and wait for the fire.
