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vtraudt's avatar
vtraudt
Explorer
Jul 04, 2016

"Separator" relay - connect/disconnect house battery

I need to properly wire up the separator relay that connect the house battery to the drive battery. I have a switch on the dash that runs 12V from the house battery to the relay, closing the conta...
MEXICOWANDERER's avatar
MEXICOWANDERER
Explorer
Jul 08, 2016



This is a Ford type fender mounted starter relay. This is the one and only type of relay to use when paralleling battery banks to jump start the engine. It is referred to erroneously as a solenoid. Solenoids move something and they also may make electrical contact. One full-on jump start will crispy-critter a standard constant duty relay's contacts.

Be sure to run terminal and wire from either of the relay's mounting ears to a good chassis negative "ground". Otherwise it won't work.

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