Heater problem
2003 Mercury Marquis V8 Two Wheel Drive Automatic
where is the blower/heater switch located on a 2003 mercury grand marquis?
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Friday, January 8th, 2010 AT 3:20 PM
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BLUELIGHTNIN6
MECHANIC
16,542 POSTS
Blower motor switch is located behind climate control assembly.. remove assembly, pull and remove switch knob. remove switch by releasing the tabs then removing the switch.
blower motor relay is located in battery junction box (in right front of engine compartment, behind battery).