A wiring diagram is a simplified conventional pictorial representation of an electrical circuit. It shows the components of the circuit as simplified shapes, and the power and signal connections between the devices.
Ground 4 Wire Trailer Wiring Diagram Troubleshooting. Troubleshooting the ground wire. Or you can run a jumper wire from the assemblies to the main ground wire of the trailer. Trailer wiring colors the worst that usually happens with screwy trailer wiring is a blown fuse on the tow vehicle or something wacky like reversed turn signals or blinking brake lights.
Ground problems are the top cause of issues with trailer wiring. I also attached a help article on trailer wiring plus one for troubleshooting the trailer wiring on a tow vehicle. Next check the ground wire. 800 x 600 px source.
Troubleshooting 4 and 5 way wiring installations.
Depending on the size of your trailer and the number of lights you might want to check on the internet for the recommended gauge for your specific trailer. I also attached a picture that shows a generic diagram for trailer wiring. Also it must connect with things if included that use the aux power and back up lights too. Next check the ground wire. If the trailer lights flicker on and off there is a good chance the trailer is grounding by way of the hitch instead of through the trailer s wiring connector.
Ground 4 Wire Trailer Wiring Diagram Troubleshooting. The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability. I checked for wire that is rubbed through or broken.