I tied into the brown wire (gm 87 k10) running from the switch to the parking lights. It definitely is back feeding to all the circuits fed by the switch even when it is off. Think i will have to either order a diode or maybe buy one of these
https://www.amazon.com/Magnolian-Dis...FMQFEY1BBZCPK0
what do you think:
As a civil engineer all things electrical to me are forbidden knowlege.