1997 GMC C2500 97 GMC Sierra -- No Spark

MIDGET777

MEMBER
1997 GMC C2500
V8
4WD
AUTOMATIC
161,000 MILES

I have a 97 Sierra, and as I was driving it died on me. I have replaced coil and ignition module, and still don't get a spark. I also checked the distributor. What else could it be?

Tuesday, June 2nd, 2009 AT 8:44 AM

5 Replies

MIDGET777

MEMBER
4 POSTS

I have replaced the coil, and ignition module, I got shocked when checking the distributor cap, so I figured that worked.

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Tuesday, June 2nd, 2009 AT 9:31 AM

MIDGET777

MEMBER
4 POSTS

Plugs are a dark brown, they look good. I have checked for spark on the plugs, but haven't done anything else with the wires.

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Tuesday, June 2nd, 2009 AT 9:39 AM

MIDGET777

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4 POSTS

It looks like the rotor that has some corrosion. I am trying to post a picture.

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Tuesday, June 2nd, 2009 AT 6:27 PM

KASEKENNY

MECHANIC
18,907 POSTS

Sounds like you think the issue is with the rotor and if you have replaced all this other stuff and not the rotor then I would trust your instincts.

Here is a guide that will help with checking for spark in case you need it, but it sounds like if we go with the rotor that it will solve the issue.

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

I am attaching the info from the manual on how to install it.

Please let us know what you find. Thanks

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