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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: dieselman123 on August 31, 2012, 09:00:02 am
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does anyone have a vacuum diagrams for the a/c selector switch. trying to find the main vacuum line so i can be albe to change from vents and defrost. i have a 83 c10 silverado with a 305