wiring problem

[1983Blazerkid]

my buddy has a ford sport trac and his right side lights all work,brake,back up lights, and turn signal, but he has nothin on the left side anybody had any issues like this or what would be a good thing to check? thanks cody

 

[1BadK-30]

My brother had the same problem on his 03 silverado, we switched the bulbs to the other side and all worked good. Think it was luck of the drawl but you could give it a shot, what do you got to loose?

 

[RIPPEDK5]

try the GEM module, fords had some wierd problems with with lights doing wierd things, trunks opening, horns going off, etc.