My intention is to install an auxiliary battery for camping in a 20
17 Silverado 2500 using GM's parts.
GM's discussion of Removal/Installation procedure of Positive Auxiliary Battery cable, PN 23386298, on a gas truck with RPO K4B does not mention any connections that would energize the Auxiliary Battery Run Relay, item 10 in the attached drawing. The procedure only mentions connecting the cable to positive battery terminal on the under hood fuse block. The Auxiliary Battery Run relay is needed to energize the Auxiliary Battery relay, item 7 in the drawing.
In versions prior to 2014 this energizing voltage came from a connection made to B4 on the Under Hood Fuse Block.
Can anyone shed some light how this relay gets it's energizing voltage and where and how the connection is made?
I intend to install the camper auxiliary battery in my 2017 Silverado 2500HD. A few of the parts needed are on hand such as a 12135194 isolation relay and some cables. Still need to get appropriate fuses. The truck does is not equipped with RPO TP2, Battery, Auxiliary Camper option. A parts list of GM parts for the TP2 Auxiliary Battery would be a big help.
I desire to get a layout drawing for the TP2 option harness and schematics. Most important are;
1.) where best to get the energizing voltage for my isolation relay and
2.) where to best connect with the 30 Amp line going to the trucks existing 7 pin trailer connector and where to interrupt the existing 12 volts from the under hood fuse box.
I'm thinking of replacing my tonneau cover with a custom truck cap. Anyone have any pictures or just want to share your overall experience?
I have a 2015 Sierra Regular Cab Short Bed pickup. It would be awesome to see pictures of truck caps from a short wheel base single cab!
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