Having problems with your 2000 Mercury Grand Marquis ?

My blower is not working

\015 I have checked every thing i know of the blower works and it has power going to it and the only thing that is not working is the ground wire i can bypass it by running to the battery but i dont have any control of the speed of the blower from the control switch so maybe some one can tell my why i have no ground \015\012thank for your time\015 Posted / edited by AnonymousUser on : 10-12-2018

Answers :

Description and Operation\015\012\015\012Notes\015\012\015\012\015\012\015\012\015\012\015\012\015\012The heater blower motor switch resistor has the following features:
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  • The assembly is located in the engine compartment on the evaporator housing toward the center of the vehicle. \015\012
  • Three resistor elements are mounted on the resistor board to provide four blower motor speeds. \015\012
  • Depending on the heater blower motor switch position, series resistance is added or bypassed in the A/C blower motor circuit to decrease or increase A/C blower motor speed. \015\012
  • An overheating protective device (thermal limiter) will open the resistor coil when the temperature reaches 121°C (250°F) interrupting the blower motor operation in all speeds except HI. \015\012
  • The thermal limiter cannot be reset and is not serviceable
83205358Here is the description of how it works and the location of the blower motor resistor that is most commonly the Problem If you don't receive the pictures or text email me at [email protected] and Ill email them to you if this information is helpful please give me a fixya Rating and of course contact me if there is anything I can do to help.
Repair Help & Product Troubleshooting for 2000 Mercury Grand Marquis

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