Question about 2005 Ford F-150
Heater only blows on high
If it is a manual system(knobs) it is the blow motor resistors that are bad,if it is electronic then it is the blower speed controller. The location is the same just looks different. Look under dash on passenger side and it will be bolted to the heater housing.There will be a 4 wire connector if it is manual system wire colors are BR/WH,DB/WH,YE/RD,BK. If it is the electronic system the wire colors are BR/WH,BR/YE,LB/OG,BK
Posted on Feb 19, 2009
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Posted on Jan 02, 2017
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