You will be able to get any style of trailer lite "pig-tail" at most auto stores. Just splice the wires together making sure that you match the colors and you are back in business.
I'm not sure what you mean. If your truck lights work, there's nothing wrong with the fuses. You likely need to replace the trailer plug adapter. It's an inline y-connector that hooks in.
The center pin of a seven blade trailer plug is for reverse lights, not power. What type of truck is it? What trailer plug do you have...
check the ground wire on the trailer. if it is corroded at all they may not work. take a file to where the ground wire is hooked up to make sure it is on bare metal
The trailer plug in the Jeep may be wired wrong. Make sure the tail light plug is connected to the jeep taillight circuit. Some trailer plugs include a "hot" wire that allows the trailer to run a few accessories. Your trailer tail lights may be connected to that circuit.
On a toyota tacoma 2003 SR5 when the tail lights are turned on the brake lights come on and when the tail lights are of the brake lights work just fine what could be the problem. If the truck has a trailer plug, inspect the plug and plug wiring for damage and corrosion.
To plug in the wiring harness for trailer lights, locate the vehicle's trailer connector, typically found near the rear of the vehicle. The connector is usually a 4-pin, 5-pin, or 7-pin plug, and you simply align the pins and insert the connector until it clicks into place. Some vehicles may require an adapter for compatibility with the trailer's wiring. Always ensure the connection is secure and test the lights before towing.
Plug in the trailer harness into the 7 pin hookup next to the receive hitch if you have a stock towing package.
The plug on the bumper of a 2008 GMC Sierra is typically a trailer wiring harness connector, which allows you to connect a trailer's electrical system to your vehicle. To use it, simply remove the protective cover from the plug, align the connector from your trailer's wiring harness with the plug, and push it in until it clicks securely. This connection enables the trailer's brake lights, turn signals, and running lights to function properly while towing. Always ensure that the vehicle's electrical system is compatible with the trailer's requirements before use.
If you have a plug for trailer lghts it is probably a short circuit in the socket.
A wire could be broken, a relay could be defective, it could be wired into the wrong relay, wires may have become disconnected, the plug itself may be corroded.
European Trailer Plug
Your local auto parts store can sell you a trailer plug harness that plugs into the vehicle's original harness that requires no cutting.