auxiliary battery for new gmc pickup
has anyone added a second battery to their new gmc pickup. my truck came with a second location for a battery but the manual details are not clear on what to do about wiring in the battery so that it...
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I've ordered my last 4 trucks with the auxiliary battery option. On my present one the battery cable runs from the power distribution block on the passenger side across the top of the firewall to a battery isolator and then on to the auxiliary battery.
The battery isolator isn't like the one pictured above. It looks like the starter solenoid for most riding lawn mowers. You need to make sure it's rated for constant duty and high amperage. The solenoid will have two large terminals across from each other and two small terminals for the energizing coil. The coil should be wired so it's only activated when the ignition is on.
The battery isolator isn't like the one pictured above. It looks like the starter solenoid for most riding lawn mowers. You need to make sure it's rated for constant duty and high amperage. The solenoid will have two large terminals across from each other and two small terminals for the energizing coil. The coil should be wired so it's only activated when the ignition is on.
