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Old 03-29-2010, 08:16 PM   #18
neba
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Join Date: Feb 2010
Location: duluth mn
Posts: 108
Re: HEI Ignition Problem

the 2 wires to the pickup coil bend everytime vacuum advance moves. eventually 1 breaks. usually inside the insulation.so it will conduct at an idle then fail as advance moves. by pulling on each of these wires 1 will stretch showing its broken inside. another test for this is disconnecting vacuum hose.
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