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Wire your vehicle and get the signal lights required for flat towing without having to splice into your wiring with this custom, plug-in harness. Integrated diodes prevent feedback from RV for safe operation. Wires as combined lighting system.
Features:
Wiring your car for flat towing has never been easier. No more testing wires or splicing into your electrical system. No need to painstakingly position multiple diodes beneath your vehicle. No worries about voiding your warranty. With this custom-fit towed vehicle wiring kit from Hopkins, all you have to do is plug the harness into your vehicle's existing wiring, which is located behind your car's tail light assemblies. No cutting, tapping, or splicing is required.
After plugging in the wiring harness, use the included bracket to mount the 4-way flat connector at the front of your towed car. An extension loop (sold separately) is required to connect your towed car to your RV.
Some automobiles operate on a 3-wire system, wherein the brake signal and the turn signals travel along different wires to illuminate different lights. (Typically, these vehicles have amber turn signals.) This is referred to as a "separate lighting system." When you hook up for flat towing using this harness, your towed car's lighting system will operate in a combined fashion regardless of whether it typically has combined or separate lighting. This means that the brake and turn signals sent by your RV to your towed car will be carried on a single wire. As a result, your car's brake lights will do the flashing for the turn signals. Your vehicle will still function as designed when not hooked up to your RV.
Because this harness wires your vehicle as a combined system, a brake light relay (RM-88400 - sold separately) may be required if you use a supplemental braking system with your towing setup. A supplemental braking system depresses the brake pedal in your towed car every time you apply the brakes in your RV. So, if your towed car's brake lights illuminate when the brake pedal is pressed and the engine is off - as is the case when towing - then you need to install a relay to ensure that the lights on your towed car always act in accordance with the signals sent by your RV via the wiring harness. Without a relay, the brake signal from your towed car will override the turn signal sent by your RV when you slow down to make turns, creating a potential hazard.
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Average Customer Rating: 4.4 out of 5 stars (18 Customer Reviews)
Wire your vehicle and get the signal lights required for flat towing without having to splice into your wiring with this custom, plug-in harness. Integrated diodes prevent feedback from RV for safe operation. Wires as combined lighting system.Bought to install on vehicle to be flat towed behind motorhome. Installed temporarily on 2016 Ford Edge with LED tail lights by lying wires on ground. When connected to tow vehicle turn and brake lights are fine but running lights only lit side markers not actual rear lights that normally light when Edge controls them. Probably not legal. Must return. Photos show normal operation and kit operation.
Order was processed and shipped quickly. Install was a breeze thanks to website video..
Great experience.
The kit was straight forward to install and the instruction video online is a must. It would be helpful if video made mention that only the center row of LEDs illuminate when motorhome brakes are applied. Otherwise the the plug and play installation at the tail lights is great; No cutting and splicing.
Product did not work in 2017 Ford Edge...despite etrailer saying it would. The standard 4 diode system with two 50 ohm 10 watt resistors is required to work with the Edge’s LED lights. Don’t waste your $$ on this product.
Mike L.
3/30/2019
As mentioned in our Fit Guide, this harness is only compatible with Sport and Titanium models. The resistors would be needed for SE and SEL models because of the variable voltage taillights.
The lighting set installed ok on my 2016 Ford Edge with a few caveats: They say to mount the diode box behind the tail light assy. On my 2016 there is no room at all, the LED lights take up the whole space. I finally was able to cram it behind the bumper facia below the light, along with the new dual connector. Really tight and had to pry things out of the way but it finally worked. Also not much fun snaking the harness down, across, and up the other side but it also worked by using a fish to pull it up. Also not too much fun snaking the wire from back to front along the chassis but again, it did work ok with a lot of crawling and putting the car up on ramps, first the back then the front. I needed a charge line along with the lights so had to cut off their 4 wire connector and wire in a new 7 wire socket (only needed 6) in the front. Overall, it's nice using the car lights and not external ones. On my last car I installed the independent Blue Ox set with new socket and bulbs but there is no way it would fit on the Edge.
It was extremely difficult to fit the plastic electrical box behind the driver side light fixture as instructed. Also, the wiring to the passenger side light fixture was 2 feet short, so I had to splice extra wire for the connectors to reach the light fixture. The good news is that it WORKS!!
I called Crystal at etrailer on Tuesday and she was so helpful answered all my questions and made sure I had everything I needed placed the order for my baseplate and patriot 11 braking system and I had it on Friday. I am having it installed Monday and will send pictures later. Couldn't be happier.
Thanks Crystal for all your help.
Well made and easy to install at the lights. Routing the wiring to the front of the car was a bit involved to route and secure in a safe manner. Very helpful that all the rear wiring was an easy unplug an plug procedure.
A great way to go with this product...... out of sight, out of mind......Thanks to Pat C for suggesting this product for me. It was the best way go for my 2017 Ford Edge Sport..... I highly recommend this product and etrailer...... Thanks
The product was installed by etrailer in our tow vehicle and works flawlessly. We are extremely satisfied.
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Product arrived in great shape and the install video was priceless. Worked perfectly! Would highly recommend!
Great solution for diyers, good instruc tions
As advised plug and play super easy to install
Taylor made fit!
Comfort level for us, thanks
Don
5/30/2019
Excellent, no issues at all. Works as designed.
This product works as it should and install was simple to understand>
Working great
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Jenny N.
7/25/2022
The Hopkins wiring kit is only confirmed to fit the Sport and Titanium model of the Edge. The issue with the SEL model is that it is equipped with variable voltage tail lights that do not provide enough resistance for the lights to operate correctly with the Hopkins harness installed. This is why all the lights on your Edge work fine when powered individually but not with the running lights activated. I recommend installing part # RO44FR which is made for variable voltage LED tail lights.