Why am I not getting power to my trailer plug?
If they are clean or still no power after cleaning, I would check your grounding connections. Make sure your grounds are firmly connected to a clean, bare metal surface. Next, test the pins on the connector where the wiring harness plugs into the truck using a circuit tester like Item # 40376.
How do I know if my trailer plug is working?
Check your vehicle’s plug configuration. Hook up your trailer and connect the trailer light harness. Have a helper stand back to see if the running lights, stoplights and blinkers are working properly. If all the lights appear dim or you have no lights at all, check the trailer light harness at the tow vehicle.
Is there a fuse for trailer lights?
You can usually find the main fuse box under the hood. Your owner’s manual should tell you where the fuse box is located and where in particular you can find the running lamp fuse. All this being said, you’ll want to make sure the wiring on the trailer is in good shape before you start changing fuses.
What to do if your trailer has no power?
If they are clean or still no power after cleaning, I would check your grounding connections. Make sure your grounds are firmly connected to a clean, bare metal surface. Next, test the pins on the connector where the wiring harness plugs into the truck using a circuit tester like Item # 40376.
How can I get power to my trailer plug?
This is where you should start. Connect your test light to a good ground source, a clean, not rusted bolt head will work. Now turn on the emergency flashers and parking lights. Solid on Pin 3 and since you say you have the 12v feed connected under the hood then pin 4 should be light as well.
How can I troubleshoot a wiring problem on my trailer?
Perhaps the most helpful thing you can do to start troubleshooting is to determine whether the problem is on the tow vehicle or on the trailer. When you use your trailer to test, you have no way to know for certain whether the problem stems from an issue with the wiring harness because the trailer’s wiring system is still part of the equation.
How to troubleshoot no power at the factory plug?
Next, test the pins on the connector where the wiring harness plugs into the truck using a circuit tester like Item # 40376. This will tell you if the problem is on the wiring harness or somewhere deeper in the truck’s wiring. If everything checks out with the pins then the problem is on the harness and it can be replaced with Item # 30955.