Running Lights Relay Wiring Diagrams. Two ground two hot and a 5th blade that goes to the Relay or LED. Switching two relays at one time is like flipping 2 switches at oncewith the same result.
When the coil of the relay is energized 12V from the high beam switch to terminal 86 ground on terminal 85 the normally closed contacts open interrupting 12V to the fog lights. Two ground two hot and a 5th blade that goes to the Relay or LED. 12v Relay Wiring Diagram Spotlights Download.
If you do not install a relay and use a switch you could end up overheating the switch melting the wires and reducing the current that is getting to your lights making them less bright.
Black GND Red 12V Blue 0V Yellow 12V. 3 Relay and no. Draw in BLUE the Control circuit from the battery to ground of the Headlamp Circuit. 4 Relay from the engine room no.