One rear light doesn't work.

[zigron]

I have a 2001 Ex Sport Trac, the left rear turn signal has quit working. The left brake light and emergency flasher also does not work. I have checked all the fuses. Where should I look next? All the other lights work ok.

 

[BrooklynBay]

Welcome to this forum! Check the light bulb. It sounds like it burned out.

 

[zigron]

zigzag

Nope did that first. Then double checked with a volt meter and the bulb I removed is ok.

 

[BrooklynBay]

Your thread was renamed, and moved into the lighting section. Check the socket, and the ground wiring in the rear for corrosion.

 

[zigron]

Ok Thanks. Will do that Tuesday

 

[BrooklynBay]

A test light will come in handy for checking the wiring, and the contacts inside of the socket.

 

[patrick112390]

if no power, pull the clamshell off the steering column and look for pins pulling out of the multifunction switch....

 

[Bill Kemp]

It has been noted that the multfunction switch (turn signal stalk) will cause problems elsewhere in the wiring. There is also problems with the trailer light harness causing light out conditions.
Could be a broken wire.....

 

[College Student]

I've had to repair two other vehicles with very similar problems, in my case what happened was the previous owners cut and spliced in the trailer wiring so then over time the wires got corroded or whatever and the lights quit working. so I had to cut the splice out of the system and good as new, on the second vehicle its about bad ground. Anytime I go over a large bump the tail light will rattle the screw and will pull it out a little ending in a bad connection, resulting in little to no light output.