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1978 Chrysler 25HP Only One Plug Sparks
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<blockquote data-quote="JMichael" data-source="post: 323562" data-attributes="member: 7544"><p>The starter could have an internal problem with the brushes, armature (commutator), bearings, etc. If it continues to give you problems, you might want to have it tested and/or rebuilt. </p><p></p><p>If the plug wires are not the type that are molded to the coil you could just install the wire with the lost spark problem on the other coil and see if you get spark with it. As for switching the coils, depending on your motor, it might be easier to just swap the input wires to the coils long enough to check for spark on the cylinder that has lost spark now. Be sure to have the plugs removed from the cylinders to do this test and switch the input wires back to their original position after you've finished testing.</p></blockquote><p></p>
[QUOTE="JMichael, post: 323562, member: 7544"] The starter could have an internal problem with the brushes, armature (commutator), bearings, etc. If it continues to give you problems, you might want to have it tested and/or rebuilt. If the plug wires are not the type that are molded to the coil you could just install the wire with the lost spark problem on the other coil and see if you get spark with it. As for switching the coils, depending on your motor, it might be easier to just swap the input wires to the coils long enough to check for spark on the cylinder that has lost spark now. Be sure to have the plugs removed from the cylinders to do this test and switch the input wires back to their original position after you've finished testing. [/QUOTE]
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1978 Chrysler 25HP Only One Plug Sparks
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