Blower stuck on high
50

Asked by skreivoch Dec 30, 2016 at 01:02 PM about the 2010 Mercury Mariner Base 4WD

Question type: Maintenance & Repair

I have a 2010 Mercury Mariner the blower is stuck on high. It does not matter if
it is heat or A/C. If you put the selector on high it works on any thing else
nothing. Is this the switch or a relay somewhere else. Thanks.

2 Answers
101,625

KenF answered 7 years ago

That's common when the blower motor resistor pack goes bad. The resistor pack typically sits on top of or adjacent to the blower motor. Cost is around $35 and is an easy DIY job.

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50

skreivoch answered 7 years ago

Hey thanks, just bought one on amazon for $14 will fix tomorrow.

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