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Expert Answers about Ford Ranger


  • Troubleshooting Curt Echo Brake Controller With No Power On a 2021 Ford Ranger Factory Tow Package
  • After speaking to Ford they instructed that your 2021 Ford Ranger should be ready to go without needing to activate tow/haul mode on your Ranger. As you do not have power going to your 7-way blade connector you will want to check the fuse and wiring for power. The 30-amp fuse that controls the power going to your 7-way connector is in the battery fuse compartment. It is in position 73. You can remove the fuse and inspect for any damage. If there is not a fuse you will need to provide...
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  • Troubleshooting Lights With Hitch Cover and Curt Harness on 2019 Ford Ranger
  • The issue is almost certainly with the hitch cover that you are using after you installed with the Curt T-Connector Vehicle Wiring Harness with 7-Way Trailer Connector # C56431. A number of hitch covers have been known to wreak havoc with Ford trucks and cause faults in the dash when used so I recommend removing the hitch cover and the issue will abate.
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  • Troubleshooting Trailer Lights that Running Lights Only Function
  • It sounds like your trailer wiring has only the running lights circuit active and the rest of the circuits are not turning on. First thing you should do at this point is test the 4-way of the wiring harness with a circuit tester part # PTW2993 for voltage on all of the right pins when the taillight signals are being applied. Just like in the video I attached. If the voltage checks out there but the trailer lights still don't function right then the problem is on the trailer wiring. Make...
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  • Troubleshooting Broken Ground Pin on Trailer Wiring Harness for a 1994 Ford Ranger
  • The only wiring harness we carry for the 1994 Ford Ranger is the T-One Vehicle Wiring Harness, # 118325, that you have referenced. The black converter box does contain some electrical components that could potentially go bad. But if you are consistently having a trouble with the same wiring harness, it may be a symptom of another problem. You did mention the ground post breaking off. This could occur if there is corrosion build up in either connector, making it difficult to connect and...
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  • Can Tekonsha Repair a Broken Prodigy Brake Controller
  • I spoke with my Tekonsha representative, who told me that they do not repair or offer a replacement manual brake lever for your Prodigy. I'd recommend you replace the brake controller. The original Prodigy has been discontinued by the Prodigy P2, part # 90885. The P2 operates similarly to the original Prodigy, but it features a blue LED display, is compatible with electric over hydraulic braking systems and contains a relay that operates the trailer brake lamps when the manual brake switch...
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  • Troubleshooting Curt T-Connector 7-Way Circuits With No Power On a 2022 Ford Ranger XLT
  • It sounds like your 2022 Ford Ranger XLT may be missing or have damaged fuses/relays for the trailer functions. You will want to check your fuse panels for all the necessary trailer related fuses and relays. It is a little worry some the only light working on your Tester # C66NR is the BK. BK identifies the trailer brakes. If you have installed a trailer brake controller this is going to be normal but if you do not have a brake controller you installed then you will need to determine why...
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  • Troubleshooting Running Light Circuit for Curt Flat Tow Wiring on 2019 Ford Ranger
  • That definitely doesn't sound good. The brown wires on both sides of the Curt Universal Tail Light Wiring Kit # C63CR should be sending signals since it's for different tail light sides on your 2019 Ford Ranger. It could be a bad diode but it could also be damaged wiring. I recommend adding 12V power to the 4-Way pin with the green wire and then checking the green wire at the butt connectors to see if the signal gets to the end of the wiring. This tells you if the issue is that diode/module...
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  • Troubleshooting Factory Trailer Wiring on 1998 Ford Ranger with Left Side Functions Inactive
  • You can try replacing the factory 4-pole harness on your 1998 Ranger with part # 118241 from Tow Ready. This has a round connector on one end to plug in to the OEM wiring under the vehicle on the driver's side. If the problem is downstream of that point, then this should fix you up. You can also check to make sure that any fuses labeled trailer or towing are okay. If there is a problem in the wiring upstream of that connection point, then that may be tougher to find and correct. You can...
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  • Troubleshooting Check Breaking System Warning for Demco Stay-IN-Play DUO
  • The Check Breaking System warning message you're getting has more to do with the installation of the Demco Stay-IN-Play DUO Supplemental Braking System # DM86VR itself and not your specific 2022 Ford Ranger. The warning you're getting likely means you have a vacuum leak somewhere so you need to check your connections for the vacuum hoses. Look at the hose between the operating unit and your tee connection and also make sure the black end of the check valve is facing the operating unit....
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  • Lights Dim When Applying Brakes or Using Turn Signal While Towing Trailer with 2001 Ford Ranger
  • There could be a couple of reasons for the lights dimming when the trailer is hooked up to the 2001 Ford Ranger. If the issues are truly caused by a lack of power coming from the Ford Ranger, installing an aftermarket powered wiring harness like the Tekonsha ZCI Circuit Protected Wiring Harness # 119250KIT may remedy this. I am unfamiliar with a signal booster like what you referred to in your question, but this harness should help with the power needed to activate the vehicle and trailer...
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  • No Trailer Connection Error Message w/ Tekonsha P3 Brake Controller on 2010 Ford Ranger
  • There are a few things I would recommend checking that could be causing the No Trailer Connected error code on your Tekonsha P3 # 90195. First, you will want to check the vehicle and trailer side connector for corrosion, any corrosion in the connector could be causing a bad or weak connection. If corrosion is in the 7-way connectors, they will need to be replaced. For future use, I would recommend using Dielectric Grease for Electrical Connectors, part # 11755, on electrical connections...
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  • Trailer Lights Not Working with Wiring Harness Installed on a 1995 Ford Ranger
  • To determine definitively if the converter is bad use a circuit tester like # PTW2979 to test the wires going into the converter box. If the signals are correct going in, test the 4-Way end. If they are not correct coming out of the box then the converter is bad and it will need to be replaced. You will not be able to just eliminate the box. The issue is that the vehicle has what is called a separate 3-wire system meaning that all the functions are on separate circuits (brake lights,...
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  • Troubleshooting Trailer Lights Not Working When Connected To 1994 Ford Ranger That Work With F-150
  • Because your Ranger has tested good and yet your trailer does not work correctly when connected, there is a really good chance that it is a ground issue. This could be on the vehicle side, but is more likely to be on the trailer side. A faulty trailer ground could still work with a vehicle that puts more power into the trailer, so your friend's F-150 working doesn't mean that ground couldn't be faulty. I recommend checking that ground for rust and or corrosion and cleaning it up. You...
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  • Trailer Lights Do Not Work Correctly when Head Lights are On on a 2004 Ford Ranger
  • It sounds like you are having a ground issue. A bad ground can cause all sorts of problems just like you are describing. Since you have wired the trailer yourself, it should be easy to locate and fix any ground problems. Start at the front of the trailer and make sure the main ground is attached to a clean metal surface. If there is any rust or paint you will not get a very good ground connection. From there, you will need to check the grounds for each of the lights. Most trailer lights...
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  • How to Power Blue Ox Patriot 3 with 2022 Ford Ranger with Battery Management System
  • We have the outlet kit part # RM-9332 which you'd run to the battery of your 2022 Ford Ranger directly so that the Blue Ox Patriot 3 part # BLU37TR wouldn't get switched off like you mentioned. This will give you the same type of needed to power the Patriot that will be active at all times.
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  • Trailer Brake Lights Do Not Work when Running Lights are On
  • First, the 4-Way on your trailer is what is called a wishbone harness. It just has 2 wires for the running light circuit to go to each side of the trailer so that you do not have to run a jumper from one side of the trailer to the other. The issue here sounds like a ground problem. Ground problems normally show up when there is more draw on a system such as when you have the running lights on and then use another function like a turn signal or brake light. Make sure that the vehicle side...
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  • Troubleshooting a 2000 Ford Ranger XLT That Has Reddish Turn Signals
  • It sounds like there is some bleed over from the turn signals to the brakes which may be causing the reddish color you're seeing. To fix this, I'd recommend installing one diodes in each of your tail lights with the Roadmaster Single Park Light Diode # RM-690. The diode is going to act as a 1 way gate and will allow power to flow through it in only one direction, which will eliminate the bleed over.
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  • Troubleshooting Low Battery Code on Blue Ox Patriot Supplemental Braking System
  • I believe you are seeing the 04 low battery alert code which indicates that either the towed car's battery is depleted or that there is another issue such as a dirty 12V power outlet that is not passing enough power. You might clean the pins of the plug and socket. The cigarette lighter outlet that powers the Patriot must output at least 13.1 volts for proper operation. The Patriot # BLU37TR also has an internal battery which could be low too, but based on the error code saying tow vehicle...
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  • Why Would Bluetooth Connection be Lost with Curt Echo
  • The Bluetooth connection may be lost with the Curt Echo Mobile Trailer Brake Controller # C51180 for a couple of reasons. One may be that the phone is not receiving the signal if it's possibly a phone that has seen better days and may get intermittent signals sometimes. The other is that it may not fully be seated in your 7-way or the trailer plug may not be fully seated in the Echo when it is connected. If you lose signal, the trailer brakes are still going to work just
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  • Troubleshooting Charge Line Of 7-Way and Redarc Trailer Brake Controller Install On 2020 Ford Ranger
  • A common issue I would see with some Ford's is the fuse for the charge line circuit of the 7-way would be left out of the fuse box. In your engine compartment fuse box you will need to ensure that there is a fuse in the 73 (30 amp fuse) and 87 (40 amp J case fuse). Be sure to check and make sure if there are fuses in these locations that they are in working condition. The Redarc Tow-Pro Elite Trailer Brake Controller # RED44FR is a proportional trailer brake controller so when you are...
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