The fifth generation of Ford's classic muscle car.

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Two warning messages "

I have two warning messages, 1- Check break system, 2- Service stability control, also my turn signals are not functioning properly,

What can be wrong?

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The stability control is connected to your ABS . When something goes wrong with the ABS pump it usually affects the traction control. so I would check the ABS pump. However that said the fact you have a problem with your turn signals at the same time lead me to think it could be a ECM problem sometimes just resetting the ECM is enough to fix problems. Disconnect your battery for 2 hours and turn the lights on while the battery is disconnected this drains the reserve energy in the ECM . When your ready to restart the car let it idle for 5 minutes uninterupted do not touch the gas pedal during the 5 minutes . once it has run at an idle for 5 minutes take it for a drive for 20 minutes to get the computer to adjust to your driving. Drive carefully during this time as it will set the default during the drive . If your running it hard during the reset drive it can cause problems with the setup of the default settings so drive nice. Once your reset you will either have no error codes or they will return right away in which case have the ABS pump checked out if you dont get error codes then the ECM glitched . Hope this heps

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A computer controls all these functions, lights, turn, hazard & brake lights, radio, a/c. If the Tire Pressure Low warning, and ABS & TRACTION warning symbols are lit, and you can't control windows and your accessories, the problem can be simple to correct. Using a diagnostic code scanner and diagnostic computer, run a full scan. If the Body Control Module communications failure error shows, the remedy goes like this:

Take a look under the hood and locate a pigtail that is mounted on the passenger- side shock tower between the tower and the fuse box. It looks like an in-line fuse but twisting it in the usual manner doesn't give you a look at the innards. Push the connection untill you hear a distinctive "click."

If you have the key in the ignition with switch "off" you should hear the " key in the ignition "warning .

All other functions should now be on line.

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