Forum Discussion
DrewE
Oct 10, 2017Explorer II
An alternative would be to wire the clearance lights to the house battery with a relay as well as a switch. I'd set it up so that the relay is powered by the existing parking light circuit (on the chassis battery side) and turns on the clearance lights from the house battery. Since the battery isolator will connect the two batteries whenever the engine is running, this is electrically equivalent to powering it normally from the headlight switch when driving. When parked, a separate switch in parallel with the relay contacts would allow you to turn them on, powered by the house battery.
If you install LED clearance lights, the house battery will last a very long time powering them; it should be less than half an amp for all the clearance lights. With a pair of 6V golf cart batteries, that means you could power them (alone) for something like a week and a half to two weeks straight before reaching fifty percent charge on the batteries. For that matter, with LED clearance lights and parking lights, the chassis battery would also last quite a long time, probably at least overnight, and still have plenty of juice to start the engine.
If you install LED clearance lights, the house battery will last a very long time powering them; it should be less than half an amp for all the clearance lights. With a pair of 6V golf cart batteries, that means you could power them (alone) for something like a week and a half to two weeks straight before reaching fifty percent charge on the batteries. For that matter, with LED clearance lights and parking lights, the chassis battery would also last quite a long time, probably at least overnight, and still have plenty of juice to start the engine.
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