heater control f550 not working low speeds and no temp control

2008 FORD F-550
167,000 MILES
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GIRLING
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  • 1 POST
1st & 2nd speeds not working .temp. control has only hot no cold.
Nov 29, 2011 at 10:38 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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