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'99 - '06 GM Truck Modifications
Interior
HVAC Controls
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<blockquote data-quote="AuroraGirl" data-source="post: 23663" data-attributes="member: 9417"><p>My 4 also doesnt work, your truck is likely part of the many who had a issue with the blower fan and the resistor/control assembly in the 2000s</p><p></p><p>Also, the HVAC controller has TWO possible operations on the AC button. 2003 or 2004 they CHANGED the behavior of the button to be (forgive me if im backward) light-on-means-ac-is-on</p><p>From the previous "light on means AC off" </p><p>The buttons had a difference in graphic on the top, the old ones which cancel the AC had SLASHES through teh snowflake</p><p>But the one that tells you it is on doesnt have slashes </p><p>[ATTACH=full]3083[/ATTACH]</p><p></p><p>here is the 2003/4 changeover descriptions.</p><p></p><p>Heres something that may be relevant?: </p><p></p><p></p><p>[ATTACH=full]3081[/ATTACH][ATTACH=full]3082[/ATTACH]</p></blockquote><p></p>
[QUOTE="AuroraGirl, post: 23663, member: 9417"] My 4 also doesnt work, your truck is likely part of the many who had a issue with the blower fan and the resistor/control assembly in the 2000s Also, the HVAC controller has TWO possible operations on the AC button. 2003 or 2004 they CHANGED the behavior of the button to be (forgive me if im backward) light-on-means-ac-is-on From the previous "light on means AC off" The buttons had a difference in graphic on the top, the old ones which cancel the AC had SLASHES through teh snowflake But the one that tells you it is on doesnt have slashes [ATTACH type="full"]3083[/ATTACH] here is the 2003/4 changeover descriptions. Heres something that may be relevant?: [ATTACH type="full"]3081[/ATTACH][ATTACH type="full"]3082[/ATTACH] [/QUOTE]
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'99 - '06 GM Truck Modifications
Interior
HVAC Controls
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