Question about 2003 Ford F Super Duty Chassis Cab
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Posted on Jan 02, 2017
most new trailer brake units dont splice into the lines anymore they have vehicle specific plug that connects in line with brake harness under dash or under hood
Posted on Oct 24, 2009
you can either wire it straight or gm makes a connector that plugs into the drivers side floor . theres a box down there that has a cover over it and the gm connector plugs straight to it. but be careful because i have seen several times were gm wired it wrong the stop light plug is in the wrong spot.take a test light to ground touch each connector while pressing and releasing brake pedal the one that lights the light, is your stop light look on there connector and check to see if that plug is going to the red wire if not move the red wire to that spot. as for wiring it you have to do it this way. black wire goes to constent hot, white wire goes to constent ground , blue wire goes back to your trailer plug for your electric brake, and red wire as you know by now goes to the stop light.
Posted on Dec 27, 2009
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