Bad Battery Isolator?

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freddykaye

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Joined: April 10, 2005

Posted: July 21, 2006 at 4:02 AM / IP Logged

I finally got my system rewired, Big three, 2 new optimas, the excitement is building, then....... The alternator lite comes on when truck is started.... *?$@#!!*&^%$# .OK start removing last installed. Took out isolator, direct wired in parallel. booya no more alternator light, systen at 14 to 15 volts. I'm planning on leaving the isolator out anyway. Is there a way to test the isolator? I doubt I can get my money back (it cost a pretty penny) but it might make me feel a little better sending it back with a thank you note &%#@!@#. Now I know why I'm not a mechanic, or a doctor, I have no patients. Thanks...John...

Mad Scientists

Silver - Posts: 380

Joined: February 07, 2004

Location: United States

Posted: July 21, 2006 at 6:28 AM / IP Logged

What kind of isolator is it?.. Who makes it?.

Jim

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jeffchilcott

Platinum - Posts: 2,483

Joined: April 11, 2002

Location: United States

Posted: July 21, 2006 at 8:04 AM / IP Logged

If it is a stinger be sure you have the turn on lead hooked up properly or else it will nto charge the back battery. Thats the only thing I can think of, I have never came across a bad isolater, although I rarly use them...just 2 new batterys of same brand and type you really dont need one

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freddykaye

Member - Posts: 15

Joined: April 10, 2005

Posted: July 21, 2006 at 1:18 PM / IP Logged

Its a cole hersee model #48120 battery isolator gaurd for a 140 amp alternator. three terminals 1 battery, 2 alternator, 3 battery...

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Bad Battery Isolator?

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