Heater switch
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Junior User
Joined: Sep 2014
Posts: 64
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From: Gig harbor
Heater switch
The heater switch on my 77' f250 only turns on when I put it to full blast. It does work on full blast, but it is just annoying that it is not fully functional. Any ideas on why this is?
Elder User
Joined: Jan 2014
Posts: 898
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From: Chillicothe, IA
Hotshot
Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
High speed on the blower bypasses the resistor.
Hotshot
Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
Fits: 73-up F100-350
C9AZ-18591-A
Wesley Obsolete Parts, Liberty, KY has 12 ((606) 787-5293
Dennis Carpenter, Concord, NC has 1 (704) 786-8139
The Lincoln-Mercury Old Parts Store, Clearwater, FL has 1 (727) 445-7551
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 787
From: Simi Valley, CA
Applications: 1973/86 F100/350 / 1975/87 Econoline / 1978/86 Bronco // 1969/72 Galaxie/LTD.
MSRP: $31.72 / FTE sponsor horizonpartsguy.com price: $22.84 / Horizon Ford - Seattle (Tukwila) WA
Mike: OP lives in WA
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