Heater problems...?!
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New User
Joined: Oct 2004
Posts: 4
Likes: 0
Heater problems...?!
I have a 73 F-100 1/2 ton truck. Winter is here, but it hasn't gotten really cold to where I need the heater on everytime I travel. Anyways I'm having trouble with the my heater, it turns on when you change it from off to vent, panel, etc.. Now when it comes to changing the speed of the blower, it works except for the last speed which is high. When I change it to this speed the blower keeps blowing for several seconds then it completly stops.
One thing I've noticed is that when the blower stops the fuse for the heater/blower is really hot. Could this be the problem? Or is there something else going on? Any help would be greatly appreciated.
One thing I've noticed is that when the blower stops the fuse for the heater/blower is really hot. Could this be the problem? Or is there something else going on? Any help would be greatly appreciated.
Post Fiend
Joined: Jul 2003
Posts: 11,945
Likes: 3
From: Spokane, WA
I know there was a post only a week ago or so about the fan relays having problems so check into this. There are also resistors which control fan speed, mounted in your heater housing which may be giving you trouble.
