12v relay 5 pin diagram. This relay will be identified as having a middle 87b spade or no middle spade at allthis is the most common relay used for fog lights or other simple circuits. Actually in my opinion i will not connect directly the th to 12v from the relay connect it to the output terminal of the vr which is the other terminals of the vr one is connected directly to 12v from the relay and the other connected to gnd. Nilight 12v 5 pin relay with 5 pin harness socket 30a nc40a no a relay is an electrically operated switch which use a smaller current to control a larger current. Spst vs spdt relays.
Buy 5 pack epauto 3040 amp relay harness spdt 12v bosch style. Single pole single throw spst.