Thread: Taillights on 54 ford..

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question...trying to re wire rear taillights...taillights are two wire lights...one wire for ,one for running light, one for brakelight and turn signal? any ideas on how to wire been able to get tail lights and brake lights to work,but turn signals dont work when u step on the brake pedal...been beating our heads..sure its sometin stupid..any help would be great..thankyou

Make sure the tail light assemblies are grounded good

Originally posted by Boneyard Creep
question...trying to re wire rear taillights...taillights are two wire lights...one wire for ,one for running light, one for brakelight and turn signal? any ideas on how to wire been able to get tail lights and brake lights to work,but turn signals dont work when u step on the brake pedal...been beating our heads..sure its sometin stupid..any help would be great..thankyou

the ? is do you or don't you have a turn signal switch on the car? if you only got a 2 wire light socket and you wont tail lights, brake lights and turn signals you have to go through a turn signal switch which will cancel out the brake lights(which ever one you have on) when you are making a turn. if the car don't have a turn signals switch on it then you have to have a 3 wire light or add a light to both sides, if you have a turn signal switch then thats where the problem is.

Originally posted by lt1s10
the ? is do you or don't you have a turn signal switch on the car? if you only got a 2 wire light socket and you wont tail lights, brake lights and turn signals you have to go through a turn signal switch which will cancel out the brake lights(which ever one you have on) when you are making a turn. if the car don't have a turn signals switch on it then you have to have a 3 wire light or add a light to both sides, if you have a turn signal switch then thats where the problem is.

Plus, coming out of the turn signal switch to the rear, you need a right and left wire to the brake light side of the bulb. You can't run one wire to both bulbs or your turn signal will never work.

Originally posted by Oldf100fordman
Plus, coming out of the turn signal switch to the rear, you need a right and left wire to the brake light side of the bulb. You can't run one wire to both bulbs or your turn signal will never work.

yep, thats one of the things that the turn signals do. they take the brake light wire coming into the switch and when it comes out you have 2 wires a right and left going to the rear. when you put on the brakes both lights, light up as brake lights and when you turn on the turn signal to the right the switch cancels out the right brake light and blinks and the left one stays on as a brake light, when you turn left it does the opposite. the 4 way use the same 2 wires, and cancels out both brake lights.