Re: Spark plug wires

Charles R. Lincoln (clincoln@SpiritOne.com)
Mon, 6 Oct 97 13:34:50 -0700

Thanks, Frank for expanding our knowledge. Will reving the engine start
another ZF HP22 thread?

>>There are specs for what the resistance of spark plug wires should be.
>>... is relying on these measurements good or not?

> Frank DeWitt <frank@lbpinc.com> (10/6/97 11:21 AM):
>
>I think spark plug wires fail because the insolation brakes down, not
>because the resistance changes. I check by going out at night with no
>lights on. start the car and turn off the dome light. Let your eyes get
>used to the dark.
>
>Then rev the engine repeatedly for just a moment. You want to look while
>the engine is reving, not while it is at high rpm. Look all around the
>wires and coil for sparks. If you see any then replace the wires. If you
>see sparks then the wires are bad. If you don't they MAY be good.