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Blower motor doesn’t work or stuck on high, Ford

Diagnose and fix blower motor doesn’t work or is stuck on high, Ford

Shops are finding a high rate of failure in the blower motor speed controller in the vehicles listed below that are factory equipped with automatic temperature control. When the system acts up, the blower motor doesn’t work or is stuck on high speed or low speed. When this happens, you cannot vary the blower motor speed. However, if you cycle the IGN switch to off and then start again, it will work normally.

For has issued an updated blower motor speed controller to fix the problem.

Vehicles affected

2008 F150 built before 12-14-07

2008 Ford Escape, Escape Hybrid and Mercury Mariner and Mariner Hybrid built before 12-17-07

Fix for Blower motor doesn’t work or stuck on high, Ford

Replace the blower motor speed controller with new part number 7C3Z-19E624-C

blower motor doesn't work

7C3Z-19E624-C

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Posted on by Rick Muscoplat



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