RANDOM NO START NO SPARK

1990 GMC S15

Tiny

s1nner.sf

January, 17, 2012 AT 7:50 PM

This is my grandfathers truck that I have been driving. When I borrowed it from him he told me of the only known issue, that issue is that randomly it will not start. I recently went to go get lunch, pulled into the parking lot and shut the truck off. It didnt start after that. Last time it did it to my grandfather it shut off, he called a tow truck and had it towed. When it was on the back of the tow truck the driver tried to start it and it started right up like nothing had happened. I replaced the distributor last night to see if that did anything. I have power from a pink wire from the harness to the external coil, but nothing with the key on from the dis. There is no spark from the coil or end of wire. If you could point me in the right direction I would appreciate it.

FOUND 51579 RELATED QUESTIONS

5 Answers

Tiny

rasmataz

January, 17, 2012 AT 7:56 PM

Next time it happens check for fuel and spark immediately-

Tiny

s1nner.sf

January, 17, 2012 AT 7:59 PM

I did immediately after I tried it a few times. Pump runs during crank but no spark. It is a 90 with a 2.2 I know they have some known issues with no starts.

Tiny

rasmataz

January, 17, 2012 AT 8:36 PM

Could be the distributor pick-up coil, ICM and coil itself

Tiny

s1nner.sf

January, 17, 2012 AT 8:41 PM

Brand new distributor put in as of last night. How about wiring issues. Fuse able links? Any thing wiring that you would know of to cause a crank but no spark

Tiny

rasmataz

January, 18, 2012 AT 10:31 AM

Check for power to the coil and also check coil primary and secondary winding resistances

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