Poss to Access to Reverse relay?" (lights)

[Lifsvr7]

Well just like it says... I am wondering if I can assess the relay to trigger the reverse lights from under the dash... Anyone know? I know it is there but don't know what to tap or which wire to tap to trigger the relay. I was just trying to tap into what the truck already has instead of adding another relay and running a wire all the way to the rear.
Purpose??? I want to turn on the reverse lights manually to make it easier to hook up trailer and dock boat..

[TANK'S 250]

I know this probably doesn't help.....but....why don't you just get some cheap $15 lights from Pepboys, and mount them under your rear bumper?

like this:

[Lifsvr7]

Originally Posted by TANK'S 250

I know this probably doesn't help.....but....why don't you just get some cheap $15 lights from Pepboys, and mount them under your rear bumper?

like this:

I already have a set of 55w under frame on hitch mounts, then I have a LED bar with reverse LEDs and finally the factory lights, soon to be replaced with LEDs, so I have the light, I am just looking for a way to trigger the factory relay. (which wires to tap into)

[breuer69]

There should be a wire for that on the 7 pin connector of the trailer wiring. Why not tap that? Its already at the rear of the truck.

[HVAC SuperTech]

Good idea! and you could probably just trigger the led line of fire bar to come on, and that should give you enough right?

[Lifsvr7]

what I am trying to do is trigger the relay INSIDE the cab, in the FUSE panel to activate the trucks reverse lights, I already have the bumper, LED, and factory reverse lights all wired and working properly, I am just looking for a way to trigger the FACTORY relay to turn them all on. ie: when you put the truck in REV. - but i want to put a toggle on it to turn them all on w/o putting the truck into REV.

[pwrstroke6john]

There is a wire you can tab into right next to the fuse box, Ill look under my dash tomorrow.

[Lifsvr7]

Originally Posted by pwrstroke6john

There is a wire you can tab into right next to the fuse box, Ill look under my dash tomorrow.

Sweet... I had looked but couldn't figure it out... didnt know which one would tell the relay to actuate....

[Vegas250RR]

you can find your wire here
2004 F-Super Duty 250-550/Excursion Workshop Manual