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I want to run a connection from my backup light (+) to the trigger side of a relay that turns on my installed in-bumper additional backup lights. It now is controlled by a switch, and I want to keep that function. I know I can connect the (+) from backup lights to the relay to turn them on, however I don't want it to back feed when I use the manual switch. So which diode should I use to prevent that?
thank you all in advance.
Bob
thank you all in advance.
Bob