Mechanics

BLOWER ON O3 GRAND MARQ NOT WORKING FUSE IS GOOD HOOKED BLOWER DIRECT TO POWER RUNS FINE CAN HEAR CLICKING UNDER HOOD LIKE EVERYTHING IS WORKING OR TRYING BUT BLOWR JUST WONT KICK ON

2003 Mercury Marquis • 70,000 miles

Got wired to batt at moment with toggle it heats inside of car fine but without factoty wiring hooked up not able to switch defrost floor ect everything seems to work but the blower


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Collins61978
November 7, 2011.



Hi there is a heater motor resistor under the passenges side heat box or near the motor this resister burns out heater motor will not run from fan switch

Billymac
Nov 7, 2011.
Thank you I will give that a try

Tiny
Collins61978
Nov 13, 2011.
Your welcome

Billymac
Nov 14, 2011.