need advice on battery isolators
Thread Starter
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Senior User
Joined: Jul 2006
Posts: 148
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From: Kahaluu, Hawaii
need advice on battery isolators
painless wiring has one but its kinda pricey, and carquest has one and its kinda too cheap.
Can anyone tell me what I should be looking for and how I should choose the best one for me.
I'm already running dual electric fans, using about 40 amps on a stock 60 amp alternator, and in the future I plan to run off road lights, winch, etc.
I checked my local auto parts store and they have the 60 amp replacement or a 100 amp, but its physically bigger, and would need to modify brackets, belts, etc. anyone know where I can get a beefier alt. without modifications or buying a $300-$400 powermaster alt.
Also is there a general rule on alt output vs isolator amperage vs load
Sorry so long, but electricals my weakest subject.
Can anyone tell me what I should be looking for and how I should choose the best one for me.
I'm already running dual electric fans, using about 40 amps on a stock 60 amp alternator, and in the future I plan to run off road lights, winch, etc.
I checked my local auto parts store and they have the 60 amp replacement or a 100 amp, but its physically bigger, and would need to modify brackets, belts, etc. anyone know where I can get a beefier alt. without modifications or buying a $300-$400 powermaster alt.
Also is there a general rule on alt output vs isolator amperage vs load
Sorry so long, but electricals my weakest subject.
Laughing Gas
Joined: Sep 2004
Posts: 1,169
Likes: 4
From: Whitby, Ontario, Canada
76' Crew, It's not clear what your trying to do.
Do you have a dual battery setup and you have damaged your isolator and/or Altenator ?
Or...do you just want to add a second battery and upgrade your altenator?
A 100A alt. sounds like a good idea if you will be adding off road lites. You can use an isolator to connect a second battery, I have had good luck with one made by Warn (the winch makers). Or you can use a starter solenoid to connect the battery as required. I believe Ford used the solenoid, search for dual battery on this forum and you should be able to find the set up.
Frank
Do you have a dual battery setup and you have damaged your isolator and/or Altenator ?
Or...do you just want to add a second battery and upgrade your altenator?
A 100A alt. sounds like a good idea if you will be adding off road lites. You can use an isolator to connect a second battery, I have had good luck with one made by Warn (the winch makers). Or you can use a starter solenoid to connect the battery as required. I believe Ford used the solenoid, search for dual battery on this forum and you should be able to find the set up.
Frank
Moderator
Joined: Jan 2001
Posts: 56,984
Likes: 2,738
From: Virginia
76' Crew, It's not clear what your trying to do.
Do you have a dual battery setup and you have damaged your isolator and/or Altenator ?
Or...do you just want to add a second battery and upgrade your altenator?
Do you have a dual battery setup and you have damaged your isolator and/or Altenator ?
Or...do you just want to add a second battery and upgrade your altenator?
Thread Starter
|
Senior User
Joined: Jul 2006
Posts: 148
Likes: 0
From: Kahaluu, Hawaii
I'm looking to add a second battery.
I want to know what my alt. output should be compared to my isolator rating and load use, or should I get all the spec numbers as close to each other as possible.
I want to know what my alt. output should be compared to my isolator rating and load use, or should I get all the spec numbers as close to each other as possible.
Thread Starter
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Senior User
Joined: Jul 2006
Posts: 148
Likes: 0
From: Kahaluu, Hawaii
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New User
Joined: Jan 2008
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For alternators you can use the 100 amp E-series alt
or a 1 wire GM design.
I'm a big fan of Battery isolators compared to the solenoid style.
Maybe read over this page?
http://www.hellroaring.com/rv.htm
BTW <> a better wiring supplier is www.centechwire.com
or a 1 wire GM design.
I'm a big fan of Battery isolators compared to the solenoid style.
Maybe read over this page?
http://www.hellroaring.com/rv.htm
BTW <> a better wiring supplier is www.centechwire.com
Last edited by Mil1ion; Jan 10, 2007 at 04:31 PM.
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