FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Chevy Truck
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1999
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Express 1 Ton Van V8-5.7L VIN R
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Repair and Diagnosis
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Modules
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Heater and A/C Control Logic Module
Heater and A/C Control Logic Module
On the front interior roof panel, behind the front auxiliary HVAC controller