NewHere

[5.0mustang91]

i am new to the site and have a few questions.....first off i own a 1991 5.0 lx conv.
it has MAC headers,MAC pro chamber,and flow masters i paid 3,000 for it and it just hit 100,000 miles....i am having trouble with my turn signals when the car is cold they work perfectly...once the car heats up the signals crap out anybody know why??? any suggestions ???

 

[Strippt88]

Welcome, electrical gremlins you can chase and never catch, try the tech forum, good luck!

 

[jrichker]

It is either the flasher or the ignition switch.

The flasher is not mounted on the front of the fuse panel. The flasher on the front of the fuse panel is a seperate one for the hazard lights. It is in one of several places, depending on when your car was made. Some are behind the fuse panel on the back side, others are behind the radio and some are behind the glove box.

If you find and replace the flasher and that does not fix it, the ignition switch is next.

There is a FREE recall on Ford ignition switches. They overheat and sometimes catch fire.

Copy down you VIN number and call the Ford dealer nearest you. Tell them you want to see if the ignition switch recall for Fords & Mustangs was done on your car. They will ask for the VIN number & check it against the master database. If it isn't in the database, then you can schedule an appointment to have the switch replaced for free. The TSB is #95S28, and don't let them tell you that they don't do that anymore. They will not give the part so that you can install it. The rules of the recall are that they must install the switch to prevent any legal problems.

If you can't get Ford to do it for free, most auto parts stores have the switches for $13-$20.