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Expert Answers about Chrysler Pacifica


  • Trailer Wiring Connector # 118303 for 2005 Chrysler Pacifica Shows Constant Power on Running Lights
  • There should not be any major constant power draw on any of the circuits on wiring harness # C55530. Though there may be some residual power coming through. There may be a short or ground issue that is causing some power to trickle through. Check the vehicle side connector for any dirt or corrosion and clean it out. Do the same for the connector on # CR-600LED.
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  • Troubleshooting 7-way Trailer Connector Installed on 2018 Chrysler Pacifica
  • I'm not entirely clear on what you've got going on, but I'll begin with some assumptions. It sounds like you have the lighting circuits working correctly, but you're not getting any power on the black 12-volt battery feed or the blue brake controller output wire, is that correct? You're installing a 7-way trailer connector, correct? The black wire should be ran to the positive battery terminal with a 40A breaker like # 9510 installed inline. If you're not reading power on the 7-way trailer...
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  • Troubleshooting Left Stop/Turn Lights that Failed at Same Time
  • In trailer wiring, including a 4-pole harness such as the Curt kit # C59236, the stop and turn signals for each side of the trailer are combined together into a single circuit. Both of the functions on your trailer failing at the same time is a result of them being carried on the same wire. In 4-pole wiring the YELLOW wire carries the left stop/turn signals. First you can check your fuse/power distribution box for a blown fuse or relay that is assigned to the left stop/turn light circuit....
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  • Replacing Tail Light On Roadmaster Tow Dolly and Have White, Brown, Yellow and Black Wires
  • The black wire on Roadmaster tow dollies like the # RM-2050-1 will go to the electric trailer brakes. On some units they use a blue wire as well but it does not sound this way on yours. You do have the other wiring correct where white is for the ground, brown for the tail lights but yellow should be for the Drivers Side Tail Light # RM-300220-40 and green for the Passenger Side Tail Light # RM-300220-30. Do understand if you have an older trailer it may have been modified in which case...
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  • Will a Trailer Wiring Harness Work if the Ground is Weak or Disconnected on a 2005 Chrysler Pacifica
  • Yes, a weak or absent ground connection will prevent the trailer wiring harness # 118303 from working properly if at all. On some vehicles there may be a screw nearby that you can remove, put through the ground wire ring terminal, and then reinstall. As long as the ring terminal is making a connection to a bare metal surface (no paint or coating) then it will work as a ground location. Otherwise it is recommended to use a self-tapping screw such as # 1172904 directly in the metal of the...
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  • Troubleshooting Trailer Wiring Harness on 2006 Chrysler Pacifica Not Receiving Power
  • The first thing I'd recommend doing is making sure BOTH fuses are installed, the 10A installed inline in the power feed for the converter and the 20A fuse is installed in position 10 in the fuse box, listed as 'Trailer Tow'. If the fuses are installed and not blown, and the T connections that install inline between the taillight assemblies and the vehicle's taillight wiring harnesses are secure. If that all checks out, use a circuit tester like # PTW2993 and check the circuits on the...
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  • Troubleshooting Trailer Wiring on 2004 Chrysler Pacifica
  • The easiest way to test your 4-pole wiring on the trailer side is to directly apply 12V power from a battery like the one in your vehicle or a charged spare if you have one. This can be done easily with a set of jumper cables like # HMBC0825 and two short lengths of wire. Connect the negative cable clamp to one piece of wire and the positive to the other. Apply the negative wire to the trailer connector ground pin and then attach the other end of the cables to the battery terminals. Now...
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  • Brake Controller is Tripping the Electronic Stability Control Light on a Chrysler Pacifica
  • This can be caused by a few different things. If your 2017 Chrysler Pacific did not come pre-wired from the factory, it is most likely wired incorrectly. The red wire coming out of the controller should be connected to the stoplight switch and is most likely where the issue is. The way to test this would be to remove the red wire from the one it is spliced with and run the manual override again. If it does not trip the traction control light, which is what that light is, then you will just...
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  • How To Determine Which Hubs & Bearings You Need For Replacement
  • The best way to know your exact parts you need for replacement is to take the hubs and bearings apart so you can give us the exact inner and outer bearing numbers so we can find the replacement parts. We want to avoid giving you part that otherwise would not fit. For example you advised me that your have a 2007 trailstar tracker trailer. 4.5. 5 lug. If by 4.5 you mean that your axle capacity is 4.5k lbs. Your bearing could be # 603049.That bearing has a inner diameter of 1.781" and outer...
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  • Troubleshooting Trailer Brake Lights not Working
  • Often when some lights are working but others are not, the issue is a weak ground. The main ground wires need to be securely attached to a metal surface that is free of dirt, corrosion or paint. You also need to make sure the brake light assemblies on your trailer are grounded, which is often done through the bolts of the assembly so long as the housing is attached to the trailer's frame, and that frame is metal. Should the ground be okay, the next thing you will want to do is use a circuit...
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  • Left Side Trailer Lights Not Working with Tow Ready Wiring Harness for a 2007 Chrysler Pacifica
  • The fact that it is on the left side only and happens on all the trailers you have tried indicates that there is an issue on the vehicle side wiring and possibly inside the converter box itself. To test it, have someone sit in the vehicle to run through the various functions (turn signals, running lights, and brake lights) while you test the wiring with a circuit tester, # PTW2993. Start by testing the wiring going into the converter from the vehicle. If you do not get the correct signal...
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