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spark plug wires

blazen30's Avatar
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02-22-04, 11:28 AM   #1  
spark plug wires

need 2 no procedure 2 check resistence of spark plug using ohm meter? thanx

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toyotaman11769's Avatar

Join Date: Jun 2002
Posts: 1,531

02-22-04, 01:03 PM   #2  
Need a Ohm meter to read 5,000-50,000 ohms. If you meter is not auto ranging set it to x 1000. Measure with a probe at each end of the wire with it disconnected.

Short wires will be around 5,000 ohms and the longer ones in the 15-20,000 range (15k-20k). Bad ones will be way beyond those numbers.

Desi501's Avatar

Join Date: Oct 2003
Posts: 2,207

02-22-04, 03:03 PM   #3  
I always used a rule of thumb of 10,000 ohms per foot of wire max.

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