Thread: KS Chevy GMC Pickup OEM Dual or Auxiliary Battery Tray
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Old 12-03-2016, 11:57 AM   #87
slowcrawl
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Join Date: Nov 2016
Location: San Jose
Posts: 13
Re: Chevy GMC Pickup OEM Dual or Auxiliary Battery Tray
Quote:
Originally Posted by RogerKoop View Post
Here is the pics of the harness, Relay and wiring diagram

What does this do?

Thanks,
Slowcrawl
Last edited by slowcrawl; 02-11-2017 at 08:20 AM.
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