Ford Windstar 2002
I own this wehicle and i bought a tent trailer but had to wire the van for it , i used this recommended wiring harness 118366
All the lights/blinkers/brakes work on the trailer, then i shut everything up and lock the van , after a while the 1 passenger side trailer light only turns itself on , i am very puzzled , i even tried installing a new wiring harness same thing? any suggestions ..thanks
I have the same problem, left trailer light comes on, stays on until I touch any door handle. It appears that the interior courtacy lights coming on, put the tail light out. There seems to be a relationship between the courtacy lights and the activation of this tail light. I tried a different trailer and had the same problem with either trailer.
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Your local auto parts store should have a wiring harness that will clip in to your existing harness. Modern vehicles mostly have a harness coupler under the back of the vehicle you can unplug and plug in the trailer harness without having to cut anything, making the installation very quick and painless. The harness plug may have a plastic lock which you will need to release to separate the two sides of the harness. I recommend putting dielectric grease in both sides of the trailer harness to prevent corrosion from knocking out your trailer lights. The trailer harness kit will have instructions and a diagram to guide you. Hope this helps and please rate my solution!!
Loosen and pull back the carpeting in the back of the trunk behind the taillights.
Remove the plastic wingnuts that secure the taillight to the vehicle's body.
Separate the taillights from the vehicle's body, but do not disconnect the wiring.
Installing the Connector
Examine the wiring harness on each taillight. There will be a plastic connector on each side that must be separated to insert the wiring harness connector.
Thread the trailer wiring connectors through holes in the body behind each taillight. Follow the instructions provided with the connector to determine which connector belongs in which side of the vehicle.
Insert the wiring connectors into the vehicle's wiring harness.
Reinstalling the Taillights
Push the taillights into position against the body and reinstall the plastic wingnuts that secure them. Be careful not to crush the wiring.
Route the trailer wiring underneath the carpeting in the trunk, so that the trailer connector can extend out between the trunk lid and bumper when in use, and be tucked into the trunk when not in use.
Reposition the trunk carpet over the taillight housing.
You buy a plug-in trailer wiring harness for this vehicle. I bought mine at NAPA. The vehicle harness plug is in the wiring stuffed behind that LR access panel wherin the car jack sits. You may have to actually remove the LR tail light assembly to discover the plug, but it's there. The wiring harness is a bit pricey, more than the usual DIY harness, but it makes for a very clean, flawless, and effortless connection.
you might search for a burnt fusible link that feeds that harness...try looking where the battery cable is connected to the starter motor underneath.sometimes you cant tell if a fuse wire is burnt...you gotta tug on it slightly...if it stretches like rubber,the wire inside is burnt/separated and designed to do so there instead of frying the whole harness