Wire Harness Routing from Bumper to front of Wheel Well - Diesel Forum

MLT · 03-06-2007, 10:14 PM

Was wondering what people were doing for routing wiring harness from bumper plug to a plug location in front of the drivers side wheel well.

Are there any issues routing it from the rear bumper directly into the fender and then over the wheel well? Any concern over dirt that might accumulate in fender above wheel well, or lack of tie-down points for harness following this routing?

Don't think the harness I bought is long enough to be routed along the frame to the Diesel tank and then up along the fender.

Thanks!

DesertDave · 03-08-2007, 10:17 AM

I have read your question a few times and I'm not clear I understand it. You are routing a plug from the rear bumper area to somewhere just in front of the fuel tank? Everything on my truck goes along the frame, which seems to be the straightest shot. Up and over the wheel seems like it would be more wire?

MLT · 03-08-2007, 11:13 PM

Sorry for the confusing wording, What I was trying to say was that from under the truck the location would be approximately at the back end of the fuel tank is where I would leave the frame to go into the fender with the harness.

The plug location in the bed, is just in front of the wheel well in the bulged section at the bottom of the side wall.

Will check the routing along the frame again but on the previous attempt I came up short by about a foot with the harness I have.

Thanks!

Marc

tbeck · 03-09-2007, 12:18 PM

What about going from factory location to rear of fender? I have my 6 pin located in the box at the rear drivers corner. No more having extra harness dragging on highway....

Paul H · 03-09-2007, 01:44 PM

You can do it two ways.
1 open the back of the bumper connector and use additional wire (the connector lugs are big enough for two wires in each), route the wire along the inside of the frame with the original wire harness then over the top with a rubber hose as a rub guard. Up between the inner and outer bed side to the new connetion point.

2 mount the new connection plug and going down between the inner and outer bed wall over the frame to the wire harness splicing in at that point. All wire connections tapped into the harness should be made very weather tight.

bobsherrie · 03-11-2007, 08:43 PM

Go to etrailer.com and look for 5th wheel wiring. They have a harness that plugs into the bumper plug with enough wiring and another plug to run up to the bed. Looks like an easy fix. Sorry I don't know how to make a link-I'll have to learn that.

Flywheel · 03-12-2007, 11:05 AM

I have my GN 6-way in the bed in front of the wheel well int he flat spot there. Drilled the hole and spliced into the factory harness at the rear 7-way pigtail. Got the 6 way wiring from trailer place. - needed 8' (buy 10). routed inside the frame rail with the stock harness and then out to the socket in the bed. Zip-tied it all in place - works great. I like it in front of the wheel well so you dont have to squeeze between the trailer and the bed rails to connect - gives you more room.

Anyway - hope that helps.

MLT · 03-12-2007, 10:36 PM

The harness I bought is 8 foot long and already has the two plugs to splice into the OEM harness at the trailer hitch plug without having to cut any wires.

Guess I just need to work the routing along the frame to make the 8 foot length work.

Flywheel · 03-13-2007, 04:14 PM

Yep - that is even better - I wish I had gotten that one....Where di you get it?

MLT · 03-13-2007, 10:26 PM

Bought it from Tweetys.com along with a B&W Turnover Hitch. Cost was around $50 plus shipping for the harness.