HVAC blows on HI only? - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 02-21-2012, 05:46 PM Thread Starter
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HVAC blows on HI only?

What the title says! Old man's truck, only blows air on high. 25%, 50%, 75% do not function...
Any tips would be greatly appreciated

Cheers, Matt

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post #2 of 4 Old 02-21-2012, 05:52 PM
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Your blower motor resistor has failed.

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post #3 of 4 Old 02-21-2012, 06:39 PM Thread Starter
Once you go black......

 
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Quote:
Originally Posted by forddieseldoctor View Post
Your blower motor resistor has failed.
So just the resistor needs replaced? Seems like an easy fix to me, or am I wrong...

Then & Now

Matt
'99 F-350 4x4 7.3L
6637, 4", chip; far too many upgrades to list.
Coming soon: Rigid Industries Lighting, Nav, On-Board Air.
Latest mods: Line-X, '08 Black Leather Captain Seats (Lariat), Trans, EGT and Turbo Gauges; TS chip, Chrome Delete.

02 VW Jetta TDI - 40mpg
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post #4 of 4 Old 02-22-2012, 03:40 PM
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Yeah they are easy to replace. It is a very common problem.

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