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Old 02-05-2018, 12:36 PM   #1
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2018 Jeep Cherokee Trailhawk "Death Wobble"

Has anyone experienced the death wobble? Have you had the flat tow wiring harness installed? If so, can you provide the part number for the 2018 Trailhawk? Even with all the talk about this problem and all the research I have done I would still buy the 2018 Trailhawk. If you need to install a battery maintainer for the flat tow Jeep wiring harness you will also need one for the toad brake setup so a good high quality battery maintainer is a must.
I have not ordered everything I need to set mine up for flat towing. Am in the process of gathering info and parts for the installs.
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Old 02-05-2018, 01:15 PM   #2
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I have the 2018 Cherokee Latitude Plus and had the flat tow wiring kit installed. Part number 68321424AB
I think it is the same part number for your Jeep TrailHawk. My dealer did not have the part and the part is or was backlogged. I shopped around and had one shipped for a cost of $140.00 plus tax. My dealer installed for another $300. Plus tax and shop supplies. Not cheap but it Works well.
They installed a switch (inside the consul box) that you activate (after setting it up for towing ) you then need to lift the hood and insert a 10amp fuse. It does work well but it is a nuisance with the hood and fuse steps. Then, of course, you reverse the steps when you disconnect. Oh well nothing is perfect. I do like the Latitude and the extra steps with the wiring kit are not that difficult.
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Old 02-05-2018, 01:33 PM   #3
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We flat tow a 2017 Cherokee Overland. Had the dealer install the flat tow harness. As Caroll99 said, messing with the fuse is a pain, but the harness works and eliminates the death wobble issue. Inserting the fuse can be eliminated by splicing into the wire just ahead of the fuse and installing a second switch inside the car so that you don't have to lift the hood or install a fuse.
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Old 02-05-2018, 02:17 PM   #4
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Ooops I think I lost my last post so this is a repeat........regarding flat tow kit for Jeep.
I was told that I should not tow for more than 3 hours because the car battery may die or I could have a battery charger installed to eliminate the problem. I have an auxiliary brake system (Brake Buddy Stealth) installed that includes a battery maintainer. Will that maintainer be sufficient for both the Brake system and the tow kit?
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Old 02-06-2018, 07:10 AM   #5
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Quote:
Originally Posted by Carol99 View Post
Ooops I think I lost my last post so this is a repeat........regarding flat tow kit for Jeep.
I was told that I should not tow for more than 3 hours because the car battery may die or I could have a battery charger installed to eliminate the problem. I have an auxiliary brake system (Brake Buddy Stealth) installed that includes a battery maintainer. Will that maintainer be sufficient for both the Brake system and the tow kit?
I have read other posts saying their battery goes dead when using the Jeep flat tow system even though they have the battery maintainer.
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Old 02-06-2018, 07:49 AM   #6
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I use the RVi Toad Battery Charger and have never experienced a dead battery. However the EPS needs to be deactivated if stopping for the night and leaving the Jeep connected to the coach.

I have installed a switch inside the Jeep to eliminate having to open the hood. I'm attaching my installation document.
Attached Files
File Type: pdf Tow Wiring Kit Switch Installation.pdf (657.5 KB, 117 views)
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Old 02-06-2018, 10:14 AM   #7
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Thanks to both "fly withcoop" and "BobGed" I am going to have a battery charger installed and will check out the switch mentioned by BobGed.
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Old 05-11-2018, 04:00 PM   #8
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Dose anybody know for shure this is required for 2018 model Grand Cherokee?
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Old 05-11-2018, 04:12 PM   #9
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Quote:
Originally Posted by Mule Skinner View Post
Dose anybody know for shure this is required for 2018 model Grand Cherokee?
While there have been reports of the 'death wobble' at slow speeds, usually while turning, on the GRAND Cherokee. There is currently no towed wiring harness kit to activate the EPS for the GRAND Cherokee available from FCA.
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Old 05-12-2018, 05:40 AM   #10
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If your 2018 Grand Cherokee has fully electric power steering you could experience the "death wobble". You need to have a hydraulic fluid reservoir. I have a 2014 GC. It actually has a power steering fluid reservoir and can be towed with no worries. It is a hydraulic/electric system. I believe 2014 is the last year Jeep used this type of system.
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