If the main ground has been improved and you're still having the same problem, check the points where the taillights themselves ground. This is a pretty common problem. Things work well (or fairly well, in your case) until the running lamp circuit on the trailer is turned on. At that point, the lighting is pulling the maximum amperage and that's where a ground problem will show itself.
Each lamp should either be grounded via a separate ground wire to the trailer frame or by it's mounting... view full answer...
The blue electric brake wire and black 12 volt power wire mix up is on the vehicle side of your 2011 Nissan Frontier. The factory tow package connector on a few of the Nissan Xterras, Frontiers and Pathfinders from 2005 to 2012 had this issue, although it is uncommon.
In order to fix the issue, I recommend cutting the two wires on the Tow Ready Wiring Harness # 118267 a few inches back from the black connector. Once this is done, switch the wires (black to blue and blue to black) and butt... view full answer...
Most likely you have a some missing or blown relays on your Nissan Frontier as this is a fairly common issue.
The relays are available in the Curt Relay Kit # C57000. The blue relays control the turn signals, and it sounds like that's what you're missing. I've linked you to a photo showing where the relays are usually located, and also to a video showing the same thing. view full answer...
First, you can verify if your 2006 Nissan Frontier came with a factory tow package by having a dealership run the VIN number to tell you what options it came with. If it did come with a factory tow package, it could be that the relays associated with the tow package running lights needs to be replaced. If it did not come with a tow package, then that relay may be missing. You can check the locations of the relays in the owner's manual.
You can use a circuit tester like # PTW2993 if needed... view full answer...
You do need to install that last blue relay you have. For whatever reason Nissan likes to randomly leave this circuit open and not include the relay to activate the trailer running light circuit.
I have attached an image of this relay location along with a helpful installation video that you can check out as well. Please let me know if the issue persists and I will be happy to look into this further. view full answer...
The issue with the brakes locking up is not a faulty relay. The electric brake and battery charge wires in the main harness are reversed on all Nissan Frontiers that requires the use of Harness # 118266.
We have a help article about this issue that I have linked for you, which describes the exact steps you will need to take in order to isolate the problem and make a simple repair. view full answer...
If the truck has the tow package and uses the harness that plugs into the connector on the frame rail, you most likely have a blown fuse that is preventing the harness from getting power.
If the harness has been hardwired using a taillight converter, you will have to troubleshoot the converter.
Use a circuit tester, such as part # PTW2993 and test the wires on the input side of the converter box as the running lights are activated. If you have signals going into the converter but not out,... view full answer...
When a brake controller indicates the error message NC ('trailer not connected') this means that the controller is not sensing the electrical resistance of the trailer brake magnets. Causes for this include something as simple as corrosion or trapped dirt inside the trailer connector's contact for the brake circuit, or a loose ground wire at the main trailer harness or at the brake assemblies, or a bad brake magnet. There could also be a short on the brake wire somewhere between the trailer... view full answer...
The first thing I would do is check the fuse box on the vehicle and make sure that there is not a trailer tow package fuse blown. There is usually a legend under the lid on the fuse panel to find which fuses to check.
Next I would check the connector on the vehicle, visually and with a circuit tester, item # 3808. If there is no tail light wire ran to the connector you will need the Upgraded Circuit Protected Modulite with 4 Pole Harness and Hardwire Kit, item # 118266. This kit includes... view full answer...
I would recommend using a circuit tester like part # PTW2993 and test the the pin on the trailer connector that corresponds to the brown wire.
I would recommend confirming that you definitely have the tow package, as part # 118339 will not work on vehicles without the OEM tow package. If this part is used on a Frontier without the tow package, the running light circuit will not work without adding a relay available from the dealer.
Part # 33525 is designed for vehicles that are not equipped... view full answer...
Trailer wiring harness # 118263 is designed to fit as a replace if your 2006 Nissan Frontier came with a factory 4-Way. If you added it without the factory tow package then it would not be functional or fully functional. You would instead need # C56225.
If your Frontier does have the factory tow package then it could just be a blown fuse or relay. The easiest thing to check would be for a blown fuse. Use the truck owners manual to find all of the fuse/relay locations related to the tow... view full answer...
The Carr Light Wing Off-Road Light Mounting System # CARR167304 is a sturdily built mounting bracket that would work just fine if you drove through a car wash with brushes. It would be more likely that the lights would have an issue, but if they are off-road type lights they would be made for rougher conditions and should be totally fine as well. view full answer...
If you installed the Hopkins Agility Brake Controller # HM47295 with a no-splice wiring adapter # HM47635 then it is possible that the problem is in the Frontier's 7-way socket or the trailer's 7-way plug. Corrosion on or within the trailer connectors can cause a short on the brake circuit; this would explain both the loss of the readout on the unit and the lack of braking response. A short or malfunction on the brake magnets themselves could also cause the problem.
Carefully inspect both... view full answer...
Thank you for your purchase of Tekonsha 7-way wiring harness # 118266 for your 2012 Nissan Frontier 2.4 SV without tow package.
I recommend troubleshooting the trailer and vehicle independently to find the cause for the lighting issue. Since the trailer is older, there could be an intermittent short that might have taken out a relay. Testing each one on its own, trailer and vehicle, makes troubleshooting easier.
Disconnect the trailer and apply 12V power directly to the circuits on the... view full answer...
I suggest you test both your vehicle wiring and trailer lighting separately to find the cause for the lighting issue you're having. Separate testing tends to make it easier to isolate the problem.
To test the vehicle's wiring you will use a circuit tester like # PTW2992. The linked video illustrates use of the tester. Have a helper sit in the Frontier to activate the lighting functions one at a time while you apply the grounded tester's probe to the appropriate pins on the wiring connector.... view full answer...
The reason you see 5 wires coming off the trailer connector on your trailer is that the running light circuit is split into two 'legs' right at the connector. One leg to run down the driver's side, one for the passenger. As far as the non-functioning lighting goes, the first step would be to use a circuit tester and test the 4-way connector on the truck. You've already done this, so the problem must exist on the trailer itself. Start at the trailer connector, examine it for corrosion... view full answer...
Testing relays is difficult, typically easiest way is to try putting a known working relay in place of the suspected bad one. If the circuit starts working then you know the relay is bad.
The relay of the running light circuit on your 2005 Nissan Frontier is in the relay harness behind the passenger floorboard kick panel.
If you check out the install video I attached the first thing shown is how to access this area.
For a replacement then you'd want the one of the blue relays from the... view full answer...
On your 2009 Nissan Frontier, there should be a relay and there could be a fuse for the 12 volt power circuit on the factory installed 7-Way. To find the locations you will want to look in the owners manual. However I checked a copy online and there was no specific information about the fuses/relays and what they do. This information then is most likely on the lid of the power distribution box under the hood and on the inside cover of the in-cab fuse panel.
I believe you will need a large... view full answer...
To replace an air spring from the Firestone Ride-Rite Air Helper Springs # F2558 for you r2019 Nissan Frontier you need the part # F6766. Before replacing the air bag though I recommend checking the rest of your air line all the way back to the valve to make sure the leak isn't further down the line. If you find that the air line and/or valves are the problem then we have the Air Line Service Kit # F2012 that you'll want to use.
Be sure that all of your air line connections are firmly... view full answer...
The constant 12V power you are getting on the blue brake output wire from the Tekonsha Voyager # 39510 indicates some kind of short with the wiring or on the controller itself.
The first thing I recommend doing is testing the controller to see if it's bad. To do this simply sever that blue wire a few inches away from the unit to isolate it from the truck's wiring and test it when applying the manual override. If you still get power at any other time other than when applying the override... view full answer...
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