[bubbamace]

Hi all,

Has anyone had this problem and perhaps give me the solution. My turn signals on the front of the car along with the headlamps work fine. On the back, without the headlamps on, the left side (drvs side) I have no turn signal. The right side works fine. With the tail lights on, both filaments are lit, as if the brakes are on when they are not ,and of course, I have not turn signals in the rear; however the front turn signals work. The brake lights without the headlamp on, work fine.

I've checked the brake light switch and when I put a piece of wire between the slots of the wire connector, the brake lights activate on the low filament, not both filaments. I'm confusedas to what the problem is. Any help would be appreciated.

[Veronica]

Hello. It sounds like it might be time for a new turn signal switch.

[bubbamace]

Originally Posted by Veronica

Hello. It sounds like it might be time for a new turn signal switch.

Hi Veronica. I put a new one in approximately 6 months ago. It seemed to work great until I had some brake work done. Is there a way to check it?

[Veronica]

Hi again. That sort of changes things. Exactly what all was done on the brakes?

[bubbamace]

Originally Posted by Veronica

Hi again. That sort of changes things. Exactly what all was done on the brakes?

A hydroboost system was put in. I should also say they put in a new master cylinder because the new one I put in was to big to work with the hydroboost.

[bubbamace]

Does anyone know if switching the wires on the brake light switch would produce the symptoms I have. I did have to fix the wiring on the wiring harness that the brake light switch plugs into and may have switched the wires around

[Veronica]

Hi again. Switching the wires around would not cause what you describe. That switch is on/off. Kind of like a light bulb doesn't care which direction the current flows in. You step on the brakes, it closes the circuit. If the brake light switch isn't damaged in such a way that one of the wires is just barely making contact, the next place that wire goes is up into the turn signal switch. So, if a careful inspection of the switch, or the wire coming to the switch from headlight switch reveals nothing, then you're back to a faulty turn signal switch.

[bubbamace]

Originally Posted by Veronica

Hi again. Switching the wires around would not cause what you describe. That switch is on/off. Kind of like a light bulb doesn't care which direction the current flows in. You step on the brakes, it closes the circuit. If the brake light switch isn't damaged in such a way that one of the wires is just barely making contact, the next place that wire goes is up into the turn signal switch. So, if a careful inspection of the switch, or the wire coming to the switch from headlight switch reveals nothing, then you're back to a faulty turn signal switch.

Hi Veronica, What you just said was right on the mark. I tried switching the wires and it made no difference. I went back to my notes and discovered that the new turn signal switch came with no directions, so I put a paper in my file indicating what I did. Along with that, I remembered that the car has not been driven at night, just the day, so the tail lamps hadn't been used. Getting back to the paper, I made a notation that the new turn signal switch didn't have a wire with a green and orange stripe. THe next notation says pin #2 and #5 may need to be changed. After looking at the schematic for the wiring on my car, pin #2 (the green with white stripe wire) is for the left turn signal and pin #5(the green wire) is for the stop lamps and this leads me to believe that I need to switch these two wires around. I will do this and let you know the results. You are right again. It has to be the turn signal switch (or wiring-one in the same). Wiring can be so frustrating.

[bubbamace]

I just tried it. It didn't help. I'm going to order an original Ford switch and try it again. The last one was made who knows where.

[bubbamace]

Originally Posted by bubbamace

I just tried it. It didn't help. I'm going to order an original Ford switch and try it again. The last one was made who knows where.

I thought I would update everyone on this thread. I replaced the stop lamp switch and then bought an original turn signal switch and replaced the taiwan part and still the same problem. I found out one of the filaments on the driver's side was burned out and replaced the bulb. I saved a few bucks and took the car to Mustang Country Int. and was told I was sold 1964 tail lamp buckets and the wiring was different. They simply switched both wires to the buckets on both sides and the stoplamps and taillamps worked properly. It cost a whole $32.00 and man, was I happy. I hope that if anyone is having this problem, they read this thread and don't have the 3 or 4 months of agony I have had. Thanks to Veronica for the suggestions