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Gearheads
'02 Duramax intermittent blower motor issue
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<blockquote data-quote="sklfco" data-source="post: 3790418" data-attributes="member: 24908"><p>Sounds like a faulty connection in the circuit that intermittently makes contact when you hit a bump. First thing I would do would be to pull it into the shop and turn the motor on high. Then follow every bit of wiring associated with the circuit and give it the 10 pound pull test.</p><p>Common automotive wires and connectors in serviceable condition will withstand this force.</p><p>Faulty ones will identify themselves.</p><p>Pull it shake it wiggle it around, keep an ear out for that motor to spool up. Sometimes a helper is needed once you get out under the hood into the distribution boxes to alert you. Hopefully it’s something easy to spot like a passenger got her purse shoved up too far and knocked something free. </p><p>Good luck, chasing wires sux.........</p></blockquote><p></p>
[QUOTE="sklfco, post: 3790418, member: 24908"] Sounds like a faulty connection in the circuit that intermittently makes contact when you hit a bump. First thing I would do would be to pull it into the shop and turn the motor on high. Then follow every bit of wiring associated with the circuit and give it the 10 pound pull test. Common automotive wires and connectors in serviceable condition will withstand this force. Faulty ones will identify themselves. Pull it shake it wiggle it around, keep an ear out for that motor to spool up. Sometimes a helper is needed once you get out under the hood into the distribution boxes to alert you. Hopefully it’s something easy to spot like a passenger got her purse shoved up too far and knocked something free. Good luck, chasing wires sux......... [/QUOTE]
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'02 Duramax intermittent blower motor issue
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