2000 chevy silverado battery isolator

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dak446

Member - Posts: 6

Joined: November 13, 2008

Location: Wyoming, United States

Posted: December 03, 2008 at 12:11 AM / IP Logged

I have a stock alternator in my silverado, and i am looking to set up dual batteries, with an isolator. i can't seem to get it to work. i don't know what's going on with the plug on the alternator, and how i hook it up to the isolator. any help would be appreciated thanks

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i am an idiot

Platinum - Posts: 13,670

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: December 03, 2008 at 5:27 AM / IP Logged

Is it a Solid State Isolator or a relay type isolator?

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dak446

Member - Posts: 6

Joined: November 13, 2008

Location: Wyoming, United States

Posted: December 03, 2008 at 8:52 PM / IP Logged

solid state

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i am an idiot

Platinum - Posts: 13,670

Joined: September 21, 2006

Location: Louisiana, United States

Posted: December 03, 2008 at 9:08 PM / IP Logged

There are 3 connections on the isolator, the Charge wire from your alternator needs to be connected to the middle terminal. It needs to be removed from the battery and only connected to the middle terminal. Connect the front battery to one of the other terminals. Connect the rear battery to the other terminal.

Be aware that using this isolator will drop your battery voltage by a half of a volt.

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2000 chevy silverado battery isolator

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