[heavyduty]

Originally Posted by Folgs11

Thanks that helps some but do I need to splice the wires to tap into them? I thought the harness was supposed to make it so you dont splice?

Here is a link explaining the type of connector you are dealing with. Again, the FAST-9999 taps into the wire for a signal, not cut the wire as most other splices do t-taps or quick-splice connectors.

http://www.posi-lock.com/posiplug.html