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Expert Answers about Jeep Gladiator


  • I Have Working Running Lights, but No Turn Signals or Brake Lights on Trailer
  • The first thing that you want to do is make sure that your 2021 Jeep Gladiator's turn signal and brake light fuses are operational. Some vehicles with tow packages have fuses for operating the turn signals and brake lights. According to the research I conducted, the fuses that you need to check are F107 and F109. Another thing to consider is whether the wires on the 4-way connector are plugged in correctly. It is also important to consider that each light is grounded to the trailer frame...
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  • Troubleshooting Lights On Curt Spectrum Trailer Brake Controller Staying On After Braking
  • It sounds like there may be an issue with the brake switch on your 2021 Jeep Gladiator. With the Curt Spectrum Trailer Brake Controller # C51170 staying on after you have released the brake pedal it is still receiving power through the red wire of the Universal Wiring Adapter # C51515. You can use a Test Light # PTW2993 to determine if power is still in the red wire with the brake pedal released. You will also want to visually check to ensure that there is nothing in the way that is causing...
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  • Correct Replacement Check Valve for a Demco SBS Air Force One
  • Yes, that is an indication that your check valve between the tee and operating unit has gone bad and is going to need to be replaced. To replace it, you'll just need the Replacement Check Valve for Demco SBS Supplemental Braking Systems # SM99909.
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  • Troubleshooting A Blue Ox Patriot That Pulsates Constantly
  • I would first remove the power to your Blue Ox Patriot Portable Braking System - Proportional # BLU37TR for a few minutes to let it reset. Check the 12v outlet using a tester like # PTW2992 to ensure the unit is actually receiving 12v power as insufficient power could also be causing issues. Next check to see if there is a short in the wire for your breakaway switch. You could have a small cut, bend, or loose connection causing the sporadic pulsating. Once you know the outlet is properly...
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  • Troubleshooting A Flashing Roadmaster InvisiBrake Braking Signal Indicator
  • If the red indicator light is coming on for your Roadmaster InvisiBrake Supplemental Braking System # RM-8700 either something is causing your brakes to be applied or most likely the brake switch you have installed has a loose connection which is causing it to send the signal to your indicator light. If you haven't installed the Roadmaster Stop Light Switch Kit # RM-751497 already that could also be your issue. This stop light switch kit will allows your RV's monitoring system to alert...
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  • Troubleshooting "C" Connection Error Code on Older Blue Ox Patriot Brake Control Unit
  • Thank you for reaching out and providing the photos! It looks like you have the older Blue Ox Patriot Radio Frequency, Portable Braking System BRK2012. According to the owner's manual this means there is a communication error between the remote and the brake system. To try to fix this you'll want to reposition where the remote is and see if that improves the connectivity at all. It might even help to have the remote connected in a vehicle right next to the main unit so you have the least...
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  • Troubleshooting A Blown Fuse On A Demco SBS Stay-IN-Play DUO Supplemental Braking System
  • In the past, each time we've run into this issue with the Demco SBS Stay-IN-Play DUO Supplemental Braking System - Proportional # SM99251 it's always been an issue with the ground connection. I recommend checking to ensure that your ground connection is properly fixed to the chassis of your Gladiator to ensure a proper connection. There is also the chance that your G-Force controller needs to be adjusted to prevent it from activating when stationary and blowing the fuse. I've attached...
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  • Troubleshooting 2021 Jeep Gladiator Dead Battery with Brake Buddy Stealth Installed
  • The Brake Buddy Stealth Supplemental Braking System # HM39530 that's installed on your 2021 Jeep Gladiator has a built-in battery protection that helps to keep the battery on your Gladiator charged as you're towing so you definitely shouldn't be having this issue. I would start off by checking the connection to your battery as well as all the wiring from the all in one connector back to the main unit. Make sure that everything is securely connected and nothing has damaged the wiring or...
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  • Troubleshooting a Tekonsha Prodigy P2 That is Getting an N.C. Error
  • The code you are getting with your Tekonsha Prodigy P2 # 90885 has to do with the connection. The voltage you read looks to be optimal, so it is definitely not that. The "n.c." code you are getting will refer to a few things that have gone wrong. First, the trailer is not connected to the tow vehicle. Causes: (A) The trailer connector is becoming disconnected while towing (B) The trailer brake port (5 o'clock position on the 7 Way) becoming corroded and not allowing for a solid connection. Testing...
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  • Troubleshooting Error Message with Wiring Diode Kit Installed on 2021 Jeep Gladiator with LED Lights
  • There are 2 possible reasons why your install of the Flexo-Coil Wiring Kit # RM-15267 is causing an error to pop up on your 2021 Jeep Gladiator; the first is that something was installed incorrectly, and the second is that you have the ParkSense on your Gladiator and you need special diodes. I'm attaching an installation video we did of this same wiring kit on a 2021 Gladiator for you to check out. If you jump to about the 7:00 minute mark you'll see how we make our connections with the...
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  • Troubleshooting Dim Tail Lights While Flat Towing A 2023 Jeep Gladiator
  • The Smart Diode kit # RM47ZR you installed is designed for use with Gladiators that have ParkSense Proximity Sensors with LED lights. If you don't have these sensors or you have incandescent lights then that could be a possible cause for the dimness. For incandescent lights with proximity sensors you would need # RO94FR instead. The next thing to check would be the installation, start by tracing the wiring from the 6-pole socket back to the tail lights. I had someone come in with a similar...
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  • Trailer Brakes Lock Up With Curt Echo Blue Light
  • Thank you of your purchase from etrailer of the Curt Echo Brake Controller # C51180, and we can try to figure out what's happening here. The blue light on means there is not a trailer connected, and if this is happening and the brakes are locking up, there are a couple probable issues. The first is to check for any type of corrosion on the connectors; it can hamper the signals getting through and cause a "no trailer connected" problem so look for that. If that's not the issue it could...
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