# 1
Adapter 4 Pole to 7 Pole and 4 Pole w/Test Lamps
Not too difficult to install, but I would recommend using a car lift so you don't have to work from your back (review includes wiring harness and Brake Controller)
Very easy install. My truck had a precut hole in the bumper for the plug. I then hooked the spare 4 pole plug into a Reese Universal mounting bracket and mounted it onto the hitch.
# 2
Adapter 4 Pole to 7 Pole Vehicle End Trailer Connector
This product works as expected. There is not too much to the installation, just plug it in properly and mount the ground wire. I did not find an easy way to mount this to my wife's Odyssey, or to the trailer hitch (item# 75270). Luckily, I do prototype design and manufacturing. So I came up with my own solution. I designed and made my own bracket to mount the 7 pole to the trailer hitch. It works like a charm, and looks great!
# 3
Adapter 4-Pole to 7-Pole and 4-Pole
Really nice trailer wiring adapter. Very easy install. Takes about 30 minutes with all the tools needed. Drill, 7/64 bit for pilot holes to mount the bracket, flat blade screwdriver and 11/32 nut driver and two #10 self tapping metal screws with locking split washers and a couple zip ties to tidy up the wiring harness.
# 4
Tow Ready 4 Pole to 5 Pole Trailer Wiring Adapter
Not installed yet but looks as good as one used before in a former vehicle. The actual adapter I received is "Reese", which is a reputable brand for towing accessories.
Good quality and everything needed for install in my 2006 Honda Odyssey. Now I can easily tow with either a 4 wire or 5 wire since the harness retains both.
# 5
35 Ft 4-Way Trailer Wiring Harness - Wishbone Style - 42" Ground
Works very well after re-wiring trailer lights with waterproof distribution box.
2 things. 1st@: I think there should be an option to pick tinned wire. 2nd: The ring terminal for the ground needs to be bigger.
# 6
Pollak Replacement 7-Pole, RV-Style Trailer Connector Socket - Vehicle End
Worked out awesome. I bought this for a buddy for his used truck. The previous owners for what ever reason took it. Plugged it in and worked flawlessly.
It is a direct OEM replacement, easy installation. What I liked most was a real person answered my call and took my order, Katherine was very polite and knowledgeable. Thanks again. CJ
# 7
Tekonsha Powered Tail Light Converter w/ 4-Way Flat Trailer Connector and Install Kit
The wiring harness and trailer hitch from ETrailer work great. No issues whatsoever. It works as it should. FTIW, I have self-installed hitches in the past on other cars and consider myself a savvy shade-tree mechanic. Although the installation of both products didn't look that difficult, and there are a wealth of vids by etrailer, my problem was the jacking and safe under-body access on the Tesla. I just don't have the facilities, and was wary by the weight of the car plus warranty issues. So I opted for a pro intsall job. Given the nature of the beast, and this is no reflection on etrailer, if I were doing it again I'd prob just spring for the pricey Tesla install. Since I live in the sticks, I had to drive pretty far anyhow to find an installer, let alone a good one. The bumper removal etc. for the hitch install isn't difficult, just that pesky wiring and a safe work condition.
Install on 2018 Mercedes Benz CLA250 w/LED tail lights: There were no guides I could find so I'm posting this for other etrailer customers. These are my installation notes and the kit operates correctly. There are other ways to do this, I'm sure. It isn't necessary to remove the tail lights, there is a removable piece in the trunk carpet. I removed that and the plastic trim panel in the middle. The tail lights have 10-pin connectors. On the left there are 8 wires on the right there are 7. My thought is maybe this has something to do with the european style parking lights. After probing I found this: Left Side: Turn/Brake - Yellow with White stripe Running/headlights - Black with Orange stripe There is constant power to the Green with White stripe Right Side: Turn/Brake - Light Blue with Red There is constant power to the Green with White stripe I had to splice additional wire to mount the module where I wanted it. The final connections were: Module Brown to Left Black/Orange Module Yellow to Left Yellow/White Module Green to Right Light Blue/Red Module White to Ground Module Black to Battery Module Red Terminated (unused) The positive electrical connection I made was under the hood, off the fuse box. Terminated to one of the lugs, covered with wire loom, and run into one of the cars wire bunches. The 4-wire hitch output is terminated with a CURT tester (If you put one there, you'll always know where it is when you need to troubleshoot something) This vehicle is completely covered on the bottom and running the wire can be very time consuming if you want it to look tidy.
# 8
Pollak Heavy-Duty, 4-Pole, Round Pin Trailer Wiring Connector - Metal - Trailer End
Great place for any trailer needs. They alway gave what I want at a good price and fast shipping.
Just what we needed to make a custom harness for our boat trailers that we often tow with light and medium-duty wreckers. No more zip-typing our wireless drag lights to the trailers! Thanks, guys!
# 9
20 Ft 4-Way Trailer Wiring Harness - Wishbone Style - 30" Ground
Wiring worked perfect for my project. I replaced the wiring on my 14 foot utility trailer. If I was to do it again I would buy the next length up. I would have liked to have a little extra wiring if I was to ever need it.
Your sales staff is second to none. Keep up the good work. You shipped minutes after I placed my order! Very impressed! Marty
# 10
Pollak Trailer Connector Adapter - Vehicle End - 7-Pole Round to 7-Way Blade
I received this item in a plastic bag, for a few moments i wondered if it was a knock-off. I had done my home work and was sure that this item would be compatible with the socket on my John Deere 2013 5085M at the time I ordered it, not so. The 'holding ridge' at the plug-in end was not in the right position when fully inserted into the plug on the tractor. I sent multiple pictures to Pollack Technical Support but they were unable to assist me. I finally modified the item myself (something I really hate to do) so that it would fit the plug-in and be 'grasped' by the cover/holder on the tractor side. As I anticipated, the thickness of the plastic was inadequate to make the adaptation 'sweet', so I had to cover the resulting hole with silicone caulk.
This is a great solution for adapting RV blade connector to 6 pole connector. I give it 5 stars. I use this for work purposes, and have found one issue that I DON'T believe to be manufacturer defect. In my industry we use different trucks and trailers daily, if not hourly. Some trailer electric brakes will lock up when adapter is connected. I have found the red wire in the adapter to be the problem. My solution was to splice in a switch so that when the intermittent problem arises I can flip the switch and be on my way.
# 11
Hopkins 7-Way RV Style Connector with Molded Cable - Trailer End - 8' Long - RV Standard
7 pin connector separated from cable. I was expecting that "Molded Cable" meant that the connector was fused to the cable insulation but instead, the two separated almost immediately after I installed it. It still works fine as the wires are connected securely inside the connector but with the outer covering pulled out like this, I don't think it will last very long.
Çable good but after putting new 7way plug on truck cable wire colors did not match etrailers picture
# 12
Curt Trailer Connector Adapter - 4-Way to 7-Way RV and 4-Way Flat
This was/is a critical piece of any towing system, and as such requires extra care to hook up properly . I would recommend testing each connection as you hook it up being extra careful to make sure you are matching the terminals in the mating connector properly. This harness/connector performs perfectly when properly installed.
Good product easy to install only reason for 4 stars is that the 4 pin connector doesn’t stay in the provided slot on the bracket
# 13
Hopkins Endurance Multi-Tow 7-, 5- and 4-Way Flat Trailer Connector - Vehicle End - Ergonomic Design
Installed the Hopkins muti-tow 7, 5, and 4 way flat connector this morning. I ripped the original connector that was attached to the bottom of the hitch receiver off when I was 4-wheeling into the Doll House campgrounds in the Maze District of Canyonlands a month ago. So, I cut a hole in the bumper and mounted the new Hopkins connector, cut off the old broken connector mounting bracket, and connected the factory wiring to the new Hopkins device. Hopkins product installed easily, looks great, is now out of the way, and has the flexibility of multiple trailer connectors when required. I am pleased with the product. Attached is a photo.
Exactly what we had been looking for. Now I can hook up multiple trailers with different connectors and all the electrics on each trailer works. I mounted mine directly to the receiver hitch frame. The biggest challenge for us was routing the backup wire from the taillight housing, through the body of the truck to the connector. the rest went together fairly easily. Seems to be pretty solid and looks much better than the loose pigtail connector it replaced.
# 14
Wesbar 4-Way Flat Trailer Wiring Harness - 20' Long
I'm extremely satisfied with the wesbar 4way flat trailer wiring harness I purchased from etrailers.com. It was very easy to install with no problems. As long as you connect the wires correctly (example) white wire to white wire brown wire to brown wire you won't have any problems. If I ever need another one I'll know who to order it from etrailer.com.
Just what I needed for a boat trailer rewire. It would be nice if two more brown wires were added to take care of the yellow tongue lights/running lights that are partway along the trailer. I will splice in.
# 15
Hopkins Multi-Tow Trailer Connector Adapter - 7-Way to 5-Wire Flat/4-Wire Flat and 12-V Power Socket
Good solid unit that I expect to last a lifetime. I purchased this unit primarily to provide a charging port for a float charger. The idea being that if I forget about it or if someone else drives my truck and is unaware that it is connected, it will easily disconnect when the vehicle is driven away.
Perfect! I use the 4 flat for my boat trailer lights and the +12v I've wired to charge the boat battery as I drive to and from where ever I'm fishing; brilliant!
# 16
7-Way Molded Trailer Wire Connector, 6' Long
Only gave 4 stars because it was a bit confusing. I have a lot of auto wiring experience; from car stereos,amplifiers and all manner of accessories. All of the info on etrailer indicated that the color coding didn't match up. So I went into it disregarding the standard color coding, when in fact it was just as it should be.
Good thick rubber and plug works perfectly.
# 17
Pollak Black Plastic, 7-Pole, RV Blade-Style Trailer Socket - Vehicle End
As the video indicates, ensure that your vehicle wiring is the same as the 7 blade definitions. Mine was not. Had to determine what color wire connections to use for a 4 flat adapter use on a dolly.
Service from erailer is always quick and efficient. The one time an incorrect product was shipped, the company beat a path to my door to get the right item into my hands. Every experience with them has been 100% positive. Great folks!
# 18
Mighty Cord Trailer Connector Adapter - 4-Way Flat to 7-Way RV Style - 12" Long
This is my second order with etrailer. Both experiences with your company have been very positive. The knowledge and friendliness -along with following up on orders and satisfaction have been much appreciated. Brittany, the customer representative, is a huge asset to etrailer.
Exactly as described and what I needed. Delivered quickly.
# 19
Adapter 7 Pole to 4 Pole with Tester and Cover
ETrailer had exactly what I wanted at a fair price. Website was easy to navigate and purchasing was simple. Shipping was fast and I was kept notified right up to when I received my order.
Plugs in easily, shows that pins are producing voltage, and locks in place using the spring loaded door to the 7-pin.
# 20
Adapter 7-Pole to 6-Pole and 4-Pole with Cover - Universal - Center Pin Brake
Great product and received it quickly
Exactly what I needed. Fair price and order arrived promptly
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