Step 3Add an auxiliary extension
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Find your 12V power line. This is usually the red or white wire that goes into the housing for the cigarette lighter socket. Then, find the ground, a black wire most likely attached to the outside metal of the socket. Cut or expose the insulation from both and splice in the red (to 12V) and black (to ground) wires from the double strand. Cut the wire so that it's long enough to reach the switch and then some just in case. It's easier to cut wire than to extend metal and plastic using telekinetic ability :-).
the fire wall