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Old 02-20-2014, 04:07 PM   #1
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Tow lights on 2014 Jeep Grand Cherokee?

Looking for input on best way to wire my new Jeep Grand Cherokee to tow behind coach. Splice into jeep system or add bulbs to taillights? Not even sure if there is room for adding bulbs.
Suggestions welcome on how others have accomplished this task.
If you have added a wire harness would appreciate knowing manufacturer and part number. Also where you got it.
Jeep is a 2014 Jeep Grand Cherokee Overland.
Many thanks.

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Old 02-20-2014, 04:56 PM   #2
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My Blue Ox base plate for my '08 Jeep Liberty has a plug on the front for connecting to the wiring harness at the back of the MH
All lights work perfectly, turns, running and brake.
Lon and Martha Weekly
'98 DSFRED, '08 Jeep Liberty Toad rvi2 Brake System
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Old 02-20-2014, 05:06 PM   #3
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Adding bulbs, if you could, is not as good as using existing light arrangement. Existing bulbs are positioned in the light reflective cavity to maximize the effectiveness of the fresnel lens.

Reference to using the existing wire harness is good advice, I presume isolation diodes would be in the circuit or must be installed, Good luck
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Old 02-20-2014, 05:12 PM   #4
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Are your rear lights LEDs? If so, you may want to add bulbs as I've heard it's difficult to tap into the taillights if you have LEDs. Maybe other members have some input.
Ron & Kathy
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Old 02-20-2014, 08:59 PM   #5
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These guys sell a custom harness for a 2014 Grand Cherokee for towing.
06 Hurricane 34FT WH W20 Chassis 8.1L 132K, Steersafe, Koni Shocks, DIY Trac Bar, Tri-Metric 2025RV Battery Monitor, 4-6V Batteries, Scan Gauge 2, Crossfires, 735W Solar Morningstar MPPT-60, WG T4 In-Motion Sat, XM Radio, 07 Chevy Malibu Maxx Toad, Falcon 2, Brake Buddy, Escapee
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Old 02-21-2014, 09:58 AM   #6
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Many towbars come with a wiring harness and the baseplate itself has a place to hook up the harness. Give the harness to the baseplate installer so they can hook it up correctly. There are different pin configurations and the installer will wire up your Jeep for the harness you supply. No need for add-on bulbs.
Richard Anderson
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Old 02-21-2014, 03:15 PM   #7
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My Roadmaster system has a wiring harness with diodes so the Jeep lights are run from the coach, bypassing the Jeep electrical system, but using the existing bulbs. Works great. Do not need to disconnect anything or pull fuses, nothing except hook the flexicoil from the coach to the Jeep.
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Old 02-22-2014, 10:39 AM   #8
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I used the TowDaddy #3011 for my 2014, no extra bulbs or holes, easy to install and works great.

Tow Daddy - The Best Designed RV Products on the Planet
2012 Monaco Knight 36 PFT
2019 Jeep Grand Cherokee Overland
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Old 02-23-2014, 10:32 AM   #9
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I just did our 14 GC Overland.

Tow Daddy discontinued their harness. A second set of bulbs would be very tight.

I ended up using the Demco. Demco 9523091 Towed Connector Jeep Grand Cherokee 07-13

Simply plug it in to the taillight harness and run the cable up to the front.

Some of the new smaller LED bulbs would need to be used if you had a bulb. There are not many flat surfaces on the back of the housing.

I have Blue Ox base plates, Unified Tow Brake and a Demco harness. I finished the install on last Thursday.
2011 MVP Tahoe 230 QB on Ford E350 Chassis
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Old 02-23-2014, 06:36 PM   #10
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There is a wireless light bar made by Towmate. You plug a small transmitter into the motorhome's hitch wiring and magnet mount the 22" light bar on the back of your toad. No wiring. No umbilical cord. Comes with a charger. Batteries stay charged about 12 hours. About $200. I am currently doing the light and socket kit on my Hummer H3. The lights are completely separate from the vehicle's system. Pretty easy project. The biggest part of the job is running the wiring the length of the car.
Steve & Beth - Milton, New York
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Old 03-05-2014, 06:43 PM   #11
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hey Drifter, that Demco setup looks so simple even a caveman from TX can install it!

Hey, Jud tells me he uses the std. wiring with diodes...been doing that for years. But honestly, I really like that Demco setup!

Are you all set up now with the baseplate?

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Old 03-15-2014, 04:53 PM   #12
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Installed the Demco light harness today. Went smooth. Only hassle was the the smaller light connector on each of the two taillights absolutely would not lock together with the harness. No matter how hard I pushed or tried the lock mechanism would not catch. So just securely wrapped then together with electrical tape and voila, worked like a charm. Disappointed that the high center tail light does not activate but the running lights, turn signals and brake lights are all good. Also does not activate the license plate light.
So yes, SLABMAN.......even a TX caveman can do it!!! HA!
Thanks for the responses to all.
TXDrifters - Dennis & Jean
2014 DutchStar 4364
2014 Overland Grand Cherokee
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Old 03-15-2014, 05:30 PM   #13
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Originally Posted by PDR John View Post
I just did our 14 GC Overland.

I ended up using the Demco. Demco 9523091 Towed Connector Jeep Grand Cherokee 07-13
According to the Demco website, part number 9523115 is the correct one for a '14 JGC. 9523091 is for '13 and earlier.

Did you have any issues installing it?
2008 King Aire 4562, Spartan K3(GT) w/ Cummins ISX 600
2014 Jeep Grand Cherokee Overland 5.7L V8 Hemi w/ Blue Ox Aventa LX Tow Bar and baseplate, SMI Air Force One brake
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Old 03-16-2014, 08:21 PM   #14
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I didn't have any problems. The one I linked to wasn't the one I bought, just the first one I came across on a quick search.
2011 MVP Tahoe 230 QB on Ford E350 Chassis
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