Originally Posted by bmbillups
how do you fish a main wire through a light bar and tap into it for all other lights? i dont know how to get it in and out again to tap into it.
Each one is a little different, but normally I make all the taps before pulling the harness through. Then depending on the number of lights I'm installing, I run tie wire through in reverse and capture the legs and pull them through together. This allows me to wrap the harness in split-loom before the pull. If fishing the wire through is the issue in either direction, try plugging all holes except the exit and blowing a string through with compressed air. Then pull the tie wire, etc. Alternatively, you can pull the termination end through and reach through the hole in your light bar with a hook and fish the wires out. Again, depending on your app., you can turn your light bar into a grounded structure, pull only the hot wires, and ground each light to the bar, reducing the number of wires you have to pull. Just remember that the ground has to be sufficient for all of the lights and ground wire size has to be increased sufficiently.