Mechanics

HEATER WONT SHUT OFF WITH THE IGNITION

2000 Ford Excursion • 180,000 miles

Battery drains down. Blower for Heat will not shut off with ignition.
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Tim hoover
November 27, 2011.



Check the blower motor relay. Also, in the diagram, fuse 22 is only hot with the key on. Any havc trouble codes? Pull the fuse in the diagram, for load side of relay, that line with the arrow-head. If you pull that fuse, should kill the blower motor, so the battery won't run down.

JDL
Nov 27, 2011.