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Need help with tow wiring

Gator48
Explorer
Explorer
We have a new 2014 Jeep Cherokee Trailhawk tow vehicle. I finished installing the Blue Ox baseplate, and I am almost finished with the lights. Here is my problem though, I have identified the right and left brake lights/turn signal wires in the driver side door sill. I am using the Blue Ox 4 diode wiring kit and have the diodes for the brake lights and signals in place. The problem is I can't seem to find the wire(s) for the tail lights.

If anyone has completed this project please tell me the color code for the wire(s) to the tail light LEDs.


Thanks


Dave
9 REPLIES 9

Gator48
Explorer
Explorer
Update!!

I really didn't want to open up the rear hatch on my brand new Cherokee, but I had to finish this. I started prying the inside panel loose, and lo and behold a small panel pops loose and there is the back of the left tail light. I look and there is another panel behind the other light. I then slap my forehead and utter DUH.

The wire color is white with a light green trace. I cut it, inserted the diode and I am done with it.

Thanks for the feedback. I think we will start seeing a lot of these new Cherokees behind motor homes in the future.

We love it so far with only 650 miles on it and a trip coming up next month.


Dave

haddy1
Explorer
Explorer
sssooo wrote:
wouldn't the running lites in the front be the same wire?


Not on most new Jeeps. They have left and right side fuses, but each feeds 2 different color wires out of the TIPM.
2019 Tiffin Phaeton 37BH
2018 Grand Cherokee Toad

sssooo
Explorer
Explorer
wouldn't the running lites in the front be the same wire?

Gator48
Explorer
Explorer
Well pulling the tail light is a possibility. The new Cherokee splits the tail light in two parts. One mounted on the body outboard and the other on the lift gate. I was able to get the outboard part off, but it isn't the part i need to look at. The part mounted on the lift gate won't come off. There are two nuts and when removed it looks like they will come off but I hate to break something trying to force it.

Canadian_Rainbi
Explorer
Explorer
Pull the taillight assembly. There is lots of room as said above and easy find the correct wires.

DSDP_Don
Explorer
Explorer
Pull a taillight and check the color of the wiring. You may get lucky and it's the same in your bundle.
Don & Mary
2019 Newmar Dutch Star 4018 - All Electric
2019 Ford Raptor Crew Cab

Gator48
Explorer
Explorer
I have a bundle of about 150 wires in the driver side door sill.I have id'd the brake/turn signals and installed the diodes (there is room) I just can't figure out which of the other 148 or so wires supplies the tail lights. I was hoping someone on here has already been there.

Gator48
Explorer
Explorer
I have a bundle of about 150 wires in the driver side door sill.I have id'd the brake/turn signals and installed the diodes (there is room) I just can't figure out which of the other 148 or so wires supplies the tail lights. I was hoping someone on here has already been there.

zman-az
Explorer
Explorer
On our 2011 Grand Cherokee I was able to pop out the whole tail light assembly and had room between it and the body to install the diodes. Was a lot easier than trying to trace down wires within the vehicle. If you really want to know where the wires are you can purchase a factory repair manual from jeep (Chilton and Haynes are worthless). The are a couple hundred $$ but they will show you exactly where the wire harness is.