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Expert Answers about Jeep Wrangler


  • Troubleshooting 3rd Brake Light Malfunction With A Hopkins Custom Tail Light Wiring Kit On A Jeep
  • Since you're only having issues with your brake light after installing the kit it could be a lose connection of one of the pins so I would first start by checking the pins on on your Hopkins Custom Tail Light Wiring Kit for Towed Vehicles Item # HM56200 for any defects and using some Dielectric Grease # 11755 to form a strong connection. If this does not solve your problem then the converter box isn't correctly sending signals and will need to be replaced. Since you just purchased this...
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  • Troubleshooting Left Turn Signal and Brake Light Not Working After 7-way Adapter Installation
  • To answer your question, yes, it could be a bad ground. I would double check the ground from your 4-way as well as the ground for the 7-way adapter. Make sure they are securely attached to a clean, bare metal surface. You may even consider moving the ground from the recently installed adapter to a new position. The ground wire on the # C57672 should be secured directly to the frame. If that doesn't fix it, I would check all of the connections related to the left turn signal and make sure...
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  • How To Connect A 7-Pole Diode Wiring Cable To A 4-Pole Connector On An RV
  • Since you already have a 4-pole wiring harness on your RV you would just need to install a 4-pole to 7-pole Adapter # 37185 to get a 7-way connection at the end of your motorhome and allow you to hook up your straight cable from your Roadmaster 4-Diode Universal Wiring Kit # RM-152-98146-7. To install this kit you'll need to make the following connections: The 4-pole connector to the one already on your RV. The blue wire to the brake controller. The purple wire to the reverse light...
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  • Troubleshooting Redarc Tow-Pro Elite Brake Controller Blue Breathing Light On a 2017 Jeep Wrangler
  • For the blue breathing light on your Redarc Tow-Pro Elite Trailer Brake Controller # RED44FR installed on your 2017 Jeep Wrangler, it is not sensing that a trailer is connected. If your trailer is connected to the 7-way on your Jeep you will want to check the wiring both going into the 7-way and from your 7-way to the trailer brakes to ensure that a wire is not loose or damaged. The red wire that you have under the dash is correctly installed to the white/brown wire of the brake switch.
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  • My Turn Signals On The Trailer Are Reversed When Using A Curt T-Connector
  • If the turn signals are reversed, you may have the T-connector # C56106 plugged in to the wrong side of your vehicle. Left side is plugged in to right side, and vise versa. I recommend unplugging the T connector and swapping the plugs. This should resolve the issue. If problems persist, feel free to contact me directly and I can continue to assist.
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  • Adapting Swivel Collar on Tow Bar For Compatibility with MX-5 Base Plate on 2014 Jeep Wrangler
  • The Roadmaster Direct-Connect Base Plate Kit - Removable Arms # RM-521448-5 are a confirmed fit for your 2014 Jeep Wrangler Rubicon and should fit just fine with your Falcon 5250 tow bar. I reached out to my tech contact at Roadmaster and there are different collars. The Roadmaster Replacement Swivel Collar for Falcon 2 Tow Bar # RM-9200-4 is what they recommend for your application. There will be some play but the 3/8 inch sounds excessive. This swivel collar will have a 3/4 inch diameter...
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  • Troubleshooting Trailer Wiring Harness Blowing Fuses on a 2006 Jeep Wrangler
  • Both of the wiring harnesses we have available for the 2006 Jeep Wrangler, will work on your Jeep. The difference is that one is manufactured by Tow Ready, # 118409, and the other is manufactured by Hopkins manufacturing, # 32625, and that different connection points are used by the different manufacturers. It sounds like you might have one of several problems. First, check the connectors in your existing trailer wiring harness and on the Jeep to make sure that none of the pins are bent,...
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  • Troubleshooting Turn Signals and Brake Lights Dimming When Headlights Turn on During Flat Towing
  • The issues you're seeing won't be caused by not adding a relay to the wiring when you installed the # HM56202 and Brake Buddy Stealth # HM39530 and since you've already checked all of your ground wires I recommend moving on the the # HM56202 itself. If you can test the voltage going in to the converter box and coming out and see if that's where the power is being lost; this might indicate something amiss with the converter box. If you can check the voltage there and let me know what you...
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  • Why Is There A Charge Line Voltage Drop When Connecting To The Towed Vehicle Battery
  • A possible reason that you're seeing the voltage drop from 14v to 12v is being the alternator is charging the motorhome battery and it's now being placed under a higher load having to charge the towed vehicle battery. The best way to check that your vehicle's battery is actually being charged by the Roadmaster Battery Charge Line Kit for Towed Vehicles # RM-156-25 would be to hook everything up but remove the connection to the towed battery and test the voltage on the wire to see that voltage...
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  • With Hopkins Tow Bar Wiring Plugged In 1998 Jeep Wrangler Right Turn Signal Does Not Work
  • To determine where the problem is I ask you to disconnect the Hopkins harness # HM56202 from the passenger's side and plug the vehicle tail light wiring in like normal. If the right turn signal still does not work then the bulb could have blown or a fuse may need to be replaced. If it does work then check the connectors on the Hopkins harness to see if there are any broken or bent pins or any corrosion anywhere on its or the vehicle's connectors. If that is not the issue then there is...
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  • Troubleshooting Tail Light Wiring Harness On A 2015 Jeep Wrangler Rubicon
  • Just putting power solely on the 4-pole connector without a ground will not properly operate the wiring harness so that could be why you weren't able to get the rear lights to activate. You'll want to actually connect to your motorhome to test the wiring harness. Since the Hopkins Custom Tail Light Wiring Kit for Towed Vehicles # HM56200 is a plug and play setup I recommend checking that the connectors don't have any damaged or bent pins and that they are fully connected. The next step...
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  • Troubleshooting Trailer 7-Way Detaching From Curt Echo Wireless Brake Controller
  • I'm sorry to hear you have had trouble with your Curt Echo # C51180. Although there have been some reports of the Echo falling out of the vehicle when not secured with the strap, we have not received any about the trailer wiring falling out of the Echo itself. When plugging your trailer's 7-way into the Echo make sure it is fully seated for a secure connection. Also, make sure that the tab underneath the cap is in place behind the tab on the top of your 7-way connection. This will keep...
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  • Troubleshooting No 12V Power on 2017 Unity RV 7-Way
  • If you have a factory 7-way on your 2017 Unity RV there will be a fuse assuming the 12V power is hooked up. You can check your owner's manual for the fuse location or look on the fuse box lids to identify it. Looking at fuse box diagrams online there are more than 2 locations, but I didn't see anything specifically for towing. There would not be a fuse in the 7-way connector. If the 12V power is not connected you could add a charge line # RM-156-75 to solve the power problem. I'm not...
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  • No Brake Lights After Custom Tail Light Wiring Kit Installation
  • If I understand correctly that you've installed the Hopkins Custom Tail Light Wiring Kit for Towed Vehicles # HM56200 and now your brake lights are failing, this could be few things so we'll go through some troubleshooting steps here. You can start by using a circuit tester like part # PTW2993, to verify you have voltage running through the circuits. A brief demonstration video on how to test with a circuit tester is included for more details. If you test the brake wire (should be Grey...
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  • Adjusting Settings for New Install of Blue Ox Patriot Portable Braking System
  • You can adjust the Blue Ox Patriot # BLU37TR using the sensitivity adjustments in the setup screen. The large number on the display represents the force setting. I suggest you hook the Jeep up to the motor home and test braking with it in a open area away from other vehicles. Test for max force by setting to maximum amount and verifying it engages. If it does, back off the setting until you feel engage with a reasonable response. Let us know if it does not engage and we will troubleshoot...
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  • How to Connect a 6-Way from RV to Flat Tow 2009 Jeep Wrangler
  • As you can see in the attached diagram, a 6-way should have 12V power and the other function is usually a brake controller output. I recommend checking your fuses to determine if one has blown and that is causing the 12V not to show power; your RV's owner's manual should have the fuse locations for you to take a look at. If you do need to run a wire you can do so from your RV's battery by using the right amount of 10 gauge wire # 10-1-1 with Heat Shrink Butt Connectors # DW05745-10 and...
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  • Should There Be Any Gap Between The Roadmaster D-Ring Adapter And The D-Ring
  • I've dealt with this issue in the past and Roadmaster stated that there shouldn't be more than 1/8" gap, otherwise you'll get two much play and can start to get friction. Since you're right at 1/8" with the # RM-035-1 you'll most likely be good to go but it wouldn't hurt to reach out to Roadmaster to see if they approve of this for warranty reasons. In the attached video below you can see the same amount of gap at the 1:45 minute mark.
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  • How to Troubleshoot Trailer Wiring Issues, on a 2020 jeep JL
  • There are a few ways to troubleshoot this issue. The first one would be to check your owners manual for the fuse diagram. The should be one listed for the running lights. If that fuse is good, there should also be a listing for the fuses related to towing. There are times these are not all installed from the manufacturer or dealership and just simply needs to be installed. The inline fuse that comes with # 118786 should also be checked. If all fuses are in place and not blown, there may...
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  • Installing Diodes To Prevent Backfeeding From Towed 2012 Jeep Wrangler Sport To Motorhome
  • You are getting backfeed from the Jeep through the wiring harness back to the motorhome. I spoke to my contact at TrailerMate and they told me the diodes included with this system are not designed to prevent backfeed. We have a solution that will take care of that. You will need to install diodes like part # RM-690 on the yellow left turn wire at the back of the connector on the harness that plugs into the left tail light assembly, and also on the green right turn wire at the back of...
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  • No Brake Lights To Trailer Connector On Motorhome
  • The brake and turn signal lights will be ran through the same circuit on the trailer connector for your motorhome so that is certainly an odd issue. I recommend you test the right and left stop/turn signal pins on your trailer connector to make sure the proper signals are being sent. If they are not which appears to be the case then there is likely an issue with the way the trailer connector is wired or you simply have a blown fuse. There could also be an issue with the body control module...
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