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Brake lights wont work heater and AC wont shut.

Tiny
ANONYMOUS
  • MEMBER
  • 1999 CHRYSLER 300
  • 160,990 MILES
Brake lights wont work heater and AC wont shut off.
Friday, October 26th, 2012 AT 5:15 PM

3 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
As far as the brake lights, does the highmount brake lamp work? If none work, check the fuse and voltage to and from the brake lamp switch.
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Friday, October 26th, 2012 AT 6:22 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
With the hvac, any applicable trouble codes? The green wire at the automatic temp control module, is it hot with key off? Shouldn't be hot with key off.
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Friday, October 26th, 2012 AT 6:31 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
For the atc module you can try this calibration. See if any codes show up? List the codes and me or somebody will talk to you.
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Friday, October 26th, 2012 AT 6:44 PM

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