Resistance on ignition coil

Tiny
LMOLINA8488
  • MEMBER
  • 1999 CHEVROLET SILVERADO
  • 6 CYL
  • 2WD
  • AUTOMATIC
How do I check/test the resistance and on coil and ignition control module on a 1999 chevy silverado 4.3l
Saturday, April 23rd, 2011 AT 8:26 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Some of the national brand auto parts stores might be able to test the ignition module.

As far as the coil, different manufacturers may have different specs? The only specs I could find were from Wells.

This guide can help.

https://www.2carpros.com/articles/how-to-test-an-ignition-system

Coil secondary ohms test 3--10K ohms. Coil primary circuit ohms test .15--.6 ohms.

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.

Cheers
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Saturday, April 23rd, 2011 AT 9:19 PM

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