Expedition Owners - FYI - Wiring

[Adam Shickley]

I know many would know this, but I did not and it drove me crazy for 2 evenings.

My right brake/turn would not work. I checked all the wiring, and changed the light, it still would not work. I put a voltage meter on the 4 pin, and it had no juice. I attempted to trace the wire up to where it connects with the car. It took me dropping the gas tank, and removing the spare tire. I called a Ford dealership locally, and they asked "Did you check your fuses?" I told them that I checked the fuse and it was fine. He informed me that the trailer lights have several fuses, and once I checked through the book more completely, I found that there is a fuse for specifically the right turn/brake trailer light. Who would have though that! I know it makes me sound foolish, but if this saves just one person from wrenching under the car, than I am happy.

For the record, I wanted new LED lights that is why I replaced before checking the wire.

 

[jaycozer]

Re: Expedition Owners - FYI - Wiring

07 Expy.

I Didn't find specific fuse for just right side. One for running lights, another for signals and another for breaks. Though did have a long delay this last weekend because of blown fuses. I'm sure you checked but sealed light may have leaks or wire may be pinched somewhere and in contact with the trailer that is causing short. I had both a corroded light and short on the right side. A blown trailer tire two years ago started this. Shredded tire that bent fender and had torn a couple lights apart. A couple submersions later and time wreaked some havoc.

 

[YankeeDiver]

Re: Expedition Owners - FYI - Wiring

I know many would know this, but I did not and it drove me crazy for 2 evenings.

My right brake/turn would not work. I checked all the wiring, and changed the light, it still would not work. I put a voltage meter on the 4 pin, and it had no juice. I attempted to trace the wire up to where it connects with the car. It took me dropping the gas tank, and removing the spare tire. I called a Ford dealership locally, and they asked "Did you check your fuses?" I told them that I checked the fuse and it was fine. He informed me that the trailer lights have several fuses, and once I checked through the book more completely, I found that there is a fuse for specifically the right turn/brake trailer light. Who would have though that! I know it makes me sound foolish, but if this saves just one person from wrenching under the car, than I am happy.

For the record, I wanted new LED lights that is why I replaced before checking the wire.

04 Expy. I was just about to do this very job. You probably saved me hours. Thanks for the heads up.

 

[phoenixisrizen]

Re: Expedition Owners - FYI - Wiring

Most all recent (late 90's and newer) Ford trucks and SUVs are like this.