accessory

I have a Sub box in the back of my explorer, and it has a 12v terminal for LED lights. But I have no idea where to even start when it comes to wiring. I do have an after market stereo and have an amp wired to the subs. If anyone can help me first find an accessory wire to tap into, then actually...

I took apart the back of my center console where there is a plug for accessories. There are two wires going into the plug, one is black the other one appears purple. I tried to use a circuit tester and put the ground clip on a bolt and then tried to peirce the purple wire assuming it is the...

This picture shows the wiring connected to the rear window switch of a '99 Explorer XL. Note the arrows point to empty slots in the harness but the switch itself has contacts there--it is suspected that this is the illumination circuit that isn't used in the base model.