Heater in 2003 crown vic stays on always ???? Blower motor ? Air blowing out vent's all the time ? Blower motor speed control module .maybe ! If that is what your taking about . Can't turn blower motor off .
SOURCE: 2003 ford crown vic hard steering
i would have to say to check for a relay in your fuse boxes for power steering pressre switch or it may have its own police pkgs have a lot of relays due to all the extras
SOURCE: we have a problem with a 1992 crown vic. It bogs
run a presher test on your fuel pump.check your fuel filter. have nice day
SOURCE: trying to find the heater control valve
its on the pass.side of enginbe bay by the a.c. evaporator
SOURCE: where is the location of
YOU GETTING INTO LOT OF DISASSEMBLY TROUBLE YOU HAVE REMOVE WHOLE DASH AND TO GET HEATER CORE YOU HAVE TO REMOVE WINDSHIELD WIPER MOUNTING ARM AND THE PIVOT.SHAFT.YOU HAVE REMOVE ELECTRICAL CONNECTOR.YOU HAVE TO REMOVE UPPER COWL EXTENSION SCREW AND THE EXTENSION.REMOVE VACUUM HOSES AND THE WIRE HARNESS CONNECTOR FROM THE EVAPORATIVE EMISSIONS CANISTER PURGE VALVE NUTS AND THE VALVE.REMOVE COWL SIDE NUT.YOU HAVE TO REMOVE RIGHT SIDE REAR FENDER APRON SCREWS AND REPOSITION THE APRON.REMOVE EVAPORATOR HOUSING NUT AND SCREW.YOUR HEATER CORE INSIDE EVAPORATOR HOUSING YOU HAVE TO REMOVE HEATER CORE FROM THE RIGHT REAR OF FENDER FROM EVAPORATOR HOUSING.YOU HAVE TO REMOVE DASH TO DISCONNECT HEATER HOSES, REAR AIR DUCTS,REMOVE EATC CONTROLLER AND DISCONNECT OTHER ELECTRICAL HARNESSES YOU HAVE A BIG JOB.GOOD LUCK.YOU WILL NEED A REPAIR MANUAL TO SEE INSTRUCTIONS.
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