Change 12v switch to illuminated
I have a trailer with a 12v non-illuminated switch to turn on the electric element for the water heater. I want to swap it out to an illuminated switch. The current switch has 2 wires coming to it, bu...
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It wont work to tie the load and ground pins together because they're at the exact same potential. It also wound't blow a fuse because there would be no real connection to ground.
You have to run a separate ground wire to illuminate the switch.
You have to run a separate ground wire to illuminate the switch.
