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First on the list of wires to route and attach were the 12V power and ground leads. The +12V fused lead is attached to the pink wire on C204, pin 10. Its the only pink wire on this red connector so it is pretty easy to spot.
Using a crimp on splice connector, connect this pink wire using the supplied red wire and fuse holder to the power switch. The other contact on the switch is connected to the red wire coming from the TWC box.
I used a factory grounding point for the ground wire coming from the power switch. It is located on the kick panel right next to where I mounted the TWC box. The black wire from the TWC box is routed to the switch and then a ground wire from the switch is connected to the above chassis ground screw.
I've attached the crimp on spade lugs to all of the switch
leads. I prefer to leave a longer pig tail, perhaps longer than some folks
do. In this case, it will tuck back nicely under the center console and no
one will see the extra wire. I keep a supply of zip ties and used some
small ones to bundle these power wires together.
Here is a close-up of the power switch. It shows the proper connections points for the positive (red) wires. Obviously, the two negative (black) wires are connected to the other two switch terminals.
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