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2001 Chevy Truck spark plug wires

Tiny
SMITTYS57
  • MEMBER
  • 2001 CHEVROLET TRUCK
  • V8
  • 4WD
  • AUTOMATIC
  • 82,000 MILES
How do I test the plug wires to see if they are sill in goo working order this has the Delphi coil packs. It is the 6.0 liter when I am done how do I reset cpu with out a scanner
Wednesday, August 20th, 2008 AT 1:56 PM

3 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Stick one end of a digital multi meter in the end of one plug wire and the other in the other, set it on ohms and compare the ohms to to specifications. Roughly no more then 10,000 resistance per foot with STOCK plug wires, with aftermarket low resistance you will have to compare specifications for that product.

To reset cpu try disconnecting battery for one hour.
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Wednesday, August 20th, 2008 AT 4:26 PM
Tiny
SMITTYS57
  • MEMBER
  • 2 POSTS
What setting on my ohm meeter I set it at 2000 and 6 wires were 395 to 405 one was 500 and one a 1000 the wires are less than a foot long
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Wednesday, August 20th, 2008 AT 10:20 PM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Set it at 10,000 or 1, preferably 1.

The 6 that are the same are good but the one thats 100 ohms higher and 600 ohms higher need replacing.
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Thursday, August 21st, 2008 AT 8:52 AM

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