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99 trailblazer wiring question
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<blockquote data-quote="zukkev" data-source="post: 1529306" data-attributes="member: 17121"><p>It's a blend door issue...if both htr hoses are hot, the coolant is passing thru the core just fine...Keep in mind on these things the coolant is flowing thru the core all the time---the temp control is done via the blend door(s) in the heater box assembly. I'd be going after an issue with the controls...</p></blockquote><p></p>
[QUOTE="zukkev, post: 1529306, member: 17121"] It's a blend door issue...if both htr hoses are hot, the coolant is passing thru the core just fine...Keep in mind on these things the coolant is flowing thru the core all the time---the temp control is done via the blend door(s) in the heater box assembly. I'd be going after an issue with the controls... [/QUOTE]
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