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Rotary type blower control on 2003 Mercury Grand Marquis…

Customer Question
Rotary type blower control on...
Rotary type blower control on 2003 Mercury Grand Marquis stopped working. Local Ford dealer said control could not be replaced I have taken out and inspected control. Don't know how to ell if it "broken" or not.
Submitted: 2 years ago.Category: Mercury
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Answered in 6 minutes by:
1/28/2016
Mercury Mechanic: Dan, Technician replied 2 years ago
Dan
Dan, Technician
Category: Mercury
Satisfied Customers: 26,023
Experience: Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
Verified

Hello, my name is***** place to start would be unplugging the blower motor and checking pink/white wire for voltage and orange/black wire with controller on high speed then depending on what one is missing go from there. Check power/ground and let me know. Thanks.

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Customer reply replied 2 years ago
I ran jumper wire from battery to motor and it works fine.
Mercury Mechanic: Dan, Technician replied 2 years ago

Did you also run ground or did you use the orange/black wire for ground?

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