RPO 8BO Duel Batterys on silverado
I bought a new to me truck that replaces my S10.. Astounded to find dual batterys under the hood..I have RPO code 8bo. From what I can find this is for the camper. There is a relay that seperate...
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You have what is called the camper package option from the factory. It includes a second battery, a charging circuit and a wireing harness that goes to the rear 7 pin connector as well as a harness behind your cab (drivers side)that connects to the left front of your truck camper. Is #10 wire by the way.
Your battery reading 9 volts has a dead cell BTW.
Your battery reading 9 volts has a dead cell BTW.
