Tail lights and rear heater

1999 FORD WINDSTAR
209,325 MILES • 3.8L • 6 CYL • FWD • AUTOMATIC
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JOSHUA3585
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  • 1 POST
When you turn the switch off the taillights come on, sometimes it is both and sometimes just one. I have checked all of the fuses and the brake sensor, but it is not the brake lights. The taillights and the blinkers will blink fast sometimes and work normal. I replaced all the bulbs. If anyone could give me some advice I would greatly appreciate it. Oh yeah, I checked for bad grounds as well and I just do not know. I am clueless.
Apr 28, 2016 at 6:44 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
have it scanned for codes by a mechanic it may be the light module or a shorted wire touching another.
Apr 29, 2016 at 7:00 AM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
Hey JOSHUA3585,

I would check all of the bulb sockets in the front and the rear to see if you have any terminals inside that have melted together. If they seem okay its sounds like the multi function switch is having a problem. Check it out and get back to us.
Apr 29, 2016 at 1:40 PM
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