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Expert Answers about Dodge


  • Why Do My Trailer Brakes Lock Up when Using a Brake Controller?
  • There may be two different issues with your setup to consider for your Reese Towpower controller. If your brakes were recently serviced, it could be the case that the brakes were adjusted too tightly. If you think this may be the case, I went ahead and linked a FAQ article below. For the next troubleshooting route, it is possible that your trailer brake magnets are damaged. I also linked a helpful article that walks you through testing your magnets. The article lists a diagram that shows...
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  • Troubleshooting Lack Of Power At AC Unit, Thermostat, And Vents
  • If you're not getting power to your AC system # AT15028-22, thermostat, or MaxxAir vent then your issue lies with your power source. The thermostat and vent both run off of 12v DC (which comes from your battery) and the AC unit runs off of 115v AC (shore power/generator power). If neither of these are working and you're battery is fully charged and you're hooked up to shore power then most likely your power center has blown fuses/circuits. Power centers are usually close to the ground,...
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  • Trailer Lights Do Not Turn On but Wiring Harness on 2006 Dodge Magnum Shows Power
  • Sounds like the wiring on the 2006 Dodge Magnum is working since you have tested it. But, make sure that the main ground for the converter is attached to a bare metal surface. Moving the ground might help as well. Sometimes, when there is very little load on a system with a bad ground, like using a tester, the problem will not show up until there is more power draw. I also recommend trying out the trailer on another vehicle if possible. After checking that, that leaves the trailer. Most...
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  • Troubleshooting Constant 12V Power From Brake Controllers on a 2001 Dodge Ram 3500
  • The only thing I can think of is if the OEM plug for the brake controller is bad and allowing 12V power meant to power your brake controller to jump over to the output power wire for the brake controller to your trailer brakes. If you test the blue output wire when your controller is connected then you should see that constant 12V power. At this point your best bet is to either replace the pigtail, like part # 3020-P for a Tekonsha brake controller, or cut off the OEM plug and hardwire...
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  • Troubleshooting Trailer Lights that Blink with Ignition Off and Not Work with Ignition On
  • It sounds like there could be a ground issue and also a short somewhere along the trailer that is causing the lights to turn on when the ignition is off. A bad or weak ground can lead to a variety of strange issues. I first recommend checking that both the vehicle side and trailer side connectors are free of dirt and corrosion. Any debris inside the connectors might be preventing a solid connection with the trailer. Simply clean out as needed. Next make sure that the main connector...
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  • No Power to Hopkins Agility Brake Controller on a 1999 Dodge Ram 2500
  • If your 1999 Dodge Ram 2500 did not come with either a factory 4-Way or 7-Way connector then that could be why the brake controller is not powering on. In other words it is possible that even if the plug is present it might not be active. It could also be a fuse that needs to either be installed or replaced. I can't find the 1999 Ram owner's manual online so check yours and/or the lid of the power distribution box to find the brake controller fuse location. Also, for Hopkins brake controllers...
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  • Brake Controller Showing NC when Trailer is Hooked Up and Manual Control is Pressed
  • There are 4 potential problems that are stated in the instructions (linked below) that could cause the NC (no connection) reading on your Prodigy P2, part # 90885. The 4 possible causes for NC are as follows. 1. Trailer not connected to tow vehicle. 2. Trailer connected with open circuit on brake line. 3. Trailer connector disconnected or corroded. 4. Loss of trailer brake magnet ground. Testing the Prodigy P2 brake controller is fairly easy. Sever the blue brake output wire and then...
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  • Troubleshooting Trailer Wiring and Short In Trailer Plug
  • In order to determine the specific problem you will need to purchase a circuit tester if you do not have one - the very handy Cordless Circuit Tester # PTW2979 would be my strong recommendation due to how easy it is to use - and test the connector on your vehicle after disconnecting it from your trailer. Check the wiring going into your harness from your tail lights to see if those wires are carrying the correct signals, if not then the issue is with the vehicle wiring. If the signals...
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  • Flashing Red Signal With Curt Venturer Brake Controller
  • If your Curt Venturer Trailer Brake Controller # C74VV is flashing red that means there is a short on the brake circuit of your 2002 Dodge Dakota. Since the controller is new and your trailer brakes work on your buddy's truck the problem is likely going to be corrosion in the 7-way of your '02 Dakota. You can try and clean it or, assuming you have the factory 7-way, replace it with the Multi-Plug T-One Connector Assembly for 7-Way & 4 Pole Trailer Connector # 20135. It is also vital you...
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  • Solution for Brake Controller that Shows Error Codes on Dash When Manual Lever is Slid
  • So when your brake controller has it's manual override lever slid it actually also puts 12 volts onto the stoplight circuit wire (red) for the purpose of applying the brake lights of the trailer and vehicle. Your vehicle does not like this so it's showing you an error code on the dash since it's not sure how to interpret this signal. Most likely what you will need to do is keep testing the wires at the brake pedal till you find another circuit that only sees 12 volts when the brakes are...
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  • Troubleshooting Right Blinker Activating Left Light of Alpena Trailblaze Tailgate LED Lights
  • If the Alpena Trailblaze Tailgate LED Lights # ALP77229 is operating in reverse you'd need to first verify that that the trailer wiring connector of your truck has power on the right pins of the 4-way with a circuit tester like part # PTW2993 using the attached video link on this page as a guide. If the voltage is in the correct spots then the issue is the # ALP77229 but if not then the issue is the wiring and most likely a short there that you'd need to fix. Most likely the short would...
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  • How to Find the Brake Controller Wire at Rear of Vehicle
  • Assuming that you have a bunch of loose wires at the rear of your vehicle, the best way to determine which wire is which is going to be by using a circuit tester like # PTW2993. You'll need to have someone engage the brake controller's manual override and check the wires for a signal when the override is engaged; this is the wire that will be wired into the 7 o'clock position when looking at the back of your 7-way connector.
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  • Troubleshooting Trailer Wiring Functions That Dont Work But Fuses Are Good
  • First thing you should do at this point is test the 7-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. My theory is it's on the trailer side of the equation and a weak ground. If the voltage checks out there but the trailer lights still don't function right then the problem is on the trailer wiring. That would mean that problem is either due to a ground issue...
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  • Prodigy P2 Display Flashing Between .C. and N.C. on a 2010 Dodge Ram Pickup
  • From your description of the problem, it sounds like you might have one of 3 problems. Since the display is flashing between .C. and N.C. this means the controller boost setting is set and the controller is not detecting the trailer connection. The boost feature being set is not a problem, but you should make sure the trailer connectors are mated properly. First, check to be sure all of your trailer brake magnets are properly grounded. Next, make sure the trailer connectors do not have...
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  • Trailer Lights Not Working with T1 Trailer Wiring Harness on a 2005 Dodge Durango
  • The first thing you will want to check on the T1 harness # 118390 for the 2005 Dodge Durango is the power wire connection. If this harness is not connected to the positive terminal of the vehicle battery then it will not function. Also, the fuse that comes with it must be in place. You can also check to see if the fuse is intact. Next, move on to testing the wires that go into the converter box from the vehicle. The red power wire should have at least 12 volts. The green and yellow wires...
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  • Replacement Trailer Brake Controller for Malfunctioning Hayes Controller in 2006 Dodge Ram
  • If your Hayes trailer brake controller is misbehaving this much I do suspect it has suffered internal damage and should be replaced. The combination of these different symptoms, but especially the drain on your Ram's battery, suggests a major internal fault. Our customers' experience with brake controllers leads us to often recommend products from Tekonsha, such as their Prodigy P2 # 90885 and their superb P3 # 90195. These controllers are feature-packed, reliable and generally easier...
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  • Troubleshooting Voyager Brake Controller Where Green Light Does Not Come On
  • Testing the brake controller is fairly easy. Sever the blue brake output wire near the brake controller leaving enough room to reconnect it and then apply the manual slide. Using a circuit tester like the Quickee Tester, part # PTW2993, you should get output to the controller side of the wire you severed. If the manual slide activates the trailer brake output wire properly, try the brake pedal. If the brake pedal activates the brake output properly also then the problem is farther back...
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  • Troubleshooting Difficult BOLT Lock Key Turning When Used with 2015 Ram Key
  • I spoke to my contact at Bolt and she informed me that it sounds like you are using the emergency key on your 2015 Ram and that is why you are having the issues you are experiencing. She said the emergency key is small enough that it is hard to get enough torque on the key to turn the lock in the Bolt lock like part # BL7018452. She recommended you use the valet key or the standalone that is given with the truck and it should be easier to use.
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  • Troubleshooting o.9 Error Code On A Tekonsha Prodigy P2 Brake Controller
  • The o.9 code on the Tekonsha P2 # 90885 represents a bad controller ground. I would first start by double checking your ground. Make sure the controller is grounded to good clean metal, free of paint or corrosion. You could also try wiring the brake controller ground directly to the negative battery terminal. If the issue still persists try changing out the ground on the trailer connectors for both the vehicle and trailer. If the issue still persists then it could be a faulty controller...
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  • Troubleshooting Reese Brake Controller Digital Display With No Trailer Connected
  • I believe the Reese Brakeman Brake Controller you mention is the same controller as the Activator IV Brake Controller, part # 5504. You will want to make sure your controller is wired correctly. If you take a look at the attached instructions for the # 5520, you will see that it states that you will have the dot displayed when the trailer is not connected. When you hook the trailer up you will see the digital displays. Under the CONTROLS section it states that the Output setting is...
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