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Discussion Starter #1
so, I got the relay installed. neg to ground on battery, pos to fuse then pos battery terminal. and a wire to the ignition fuse for switched power.

then I have a pos wire running from the open terminal on the relay, to the "green" wire from the 12v outlet.

the black wire from the outlet is directly run back to the negative terminal on the battery for ground.

I use my multimeter on the 12v outlet. no power while the key is off, and 12v when the key is turned on. If I switch the needles on the multimeter to the red in the center piece, and black touching the sides its -12V

do i need to just swap the wires and run green to negative terminal and black wire from outlet to pos????

nothing happens when I plug my gps in. Fuse at battery is fine.
 

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79 Posts
Discussion Starter #2
well, looks like user error.

the outlet has 2 wires....bright green, and black. I assumed bright green was pos. it appears to be that green is ground, black is pos. after i measured my cars 12v outlet and matched the polarity to the new 12v outlet....i figured that out.

but, my gps still didnt work.

FUSE WAS BLOWN IN GPS POWER ADAPTER:headbang::headbang::headbang:

Im working now!
 
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