Hey i have a 90 gt and noticed that my regular brake ligts work but my third brake light (high mount)doesnt.I replaced the bulbs but still doesnt work.Does anyone know of any common isses with this or a good place to start?

 

fuse's and then follow the wires to see if one got stripped and grounded.

 

does anyone have a wiring diagram for the third brake light?i dont see anyfuses for the third brake light but all the fuses on the car are good.the bulbs are brand new and i am not getting power to the sockets.it looks like the harness runs inside the hatch and in the headliner but i need to find the ground and where the starting point is.i know it is ground 401 in diagrams and connector 403 but cannot find out where they are located.

 

grab a test light and check the power and ground back at the bulb socket, that way you'll know what side of the circuit is not holding up it's end

 

oh first thing I'd check it where the wiring runs through the rubber boot from the hatch to the body, since that area bends often times the wires will break right there

 

ok here we go,that connector that i was looking for,i found it.on the hatch there was an accesshole with a cover,i removed the cover and found the sucker was unplugged.plugged it in and now we are good.nowmindyoui just bought this car so i had no idea that was unplugged.

 

glad to hear it was a simple fix

 

yeah i feel kinda stupid but likei had said i just bought the car so i didnt know.i had an 03 gt but never a fox body and when i worked at a ford dealer we didnt get these cars in for anything everyone fixed them themselves.but now to the next task lol.