2012 Silverado Aux Battery Wiring Diagram

The second battery is isolated from the main battery thru this relay the only time this battery is charged is in the run position the batterys are not hooked together in any way the only thing the second battery is hooked to is the 7 pin plug at the back of the truck or the camper harness between the front of the bed and cab if you have one. For 2007 2014 suburbans equipped with the trailer tow package this guide will show users how to activate the 12 volt auxiliary pin on the 7 pin connector. The truck in this video is a 2009 silverado 3500 hd.

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The factory ac delco group 48 battery is unique to gm trucks and it s rated at 615 cca cold cranking amps with 110 rc reserve capacity.

2012 silverado aux battery wiring diagram. All you need is a gm battery retainer 14005061 that costs less than 5. It s also good for 1500 2500 and 3500 as well. Step by step fix instructions. Red hound auto passenger side battery tray compatible with chevrolet gmc silverado sierra 1999 2006 1500 2001 2006 1500 2500 hd 2007 classic models and more auxiliary black 4 5 out of 5 stars 29 24 75 24.

And a battery isolator designed to work with the new electronics. From budget saving point those 2 connectors could be omitted just run black orange and red wires from underhood driver side fuse box all the way to auxiliary battery run relay lsxtune. This will allow trailers to be powered by the vehicle s battery. 2006 silverado and similar gm vehicles.

Conn 75575 then from that relay to battery isolator. This video shows how to get the 12 volts working on your 7 pin trailer lighting connector. It s almost identical to a group 34 78 or group 78 battery. This is good for silverado and suburban from 2007 to 2013 and possibly more years.