my 2005 MGM will not switch from heat to a/c, is it in the climate control module or something else?

Asked by Feb 23, 2014 at 10:21 PM about the Mercury Grand Marquis

Question type: Maintenance & Repair

MY MGM is equipped with the automatic air control module. It will no longer switch from
heat to A/C. I replaced the control module with a used part and it worked for about a week
and quit again. I am now concerned it may be something else, does anyone know what it
could be?

1 Answer

108,835

Sounds like the used part was bad too.

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