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  1. H

    87 crew cab R20 weak spark and won't start

    Any help would be appreciated. I did get it started today and the symptoms its having are as follows: First i started it with the timing wire unplugged and and the timing was at about 28 degrees. After started I adjusted the dizzy till the mark on the balancer and the light were at zero. I...
  2. H

    87 crew cab R20 weak spark and won't start

    I don't know what I did but I unPlugged the ECM and battery, then took off the starter and bench tested it because I was getting power frOm the switch to the solenoid but nothing was happening. The starter tested ok on the bench so I re-installed it and decided to try and find the 3 amp fuse...
  3. H

    87 crew cab R20 weak spark and won't start

    Yes I have checked and cleaned the battery terminals. I have reset the computer a couple of times as well.. The only code that i have seen was a 45. I did have it running for a minute yesterday and it moved under its own powwer for about 20 feet then died again and wouldn't start again. Today I...
  4. H

    87 crew cab R20 weak spark and won't start

    Thanks , I'll look at that wire tomorrow. Late now! Another question. What does the fuse marked CRNK power? I'm still not sure on why I don't have power to it with the key in any position. Thanks, Ed
  5. H

    87 crew cab R20 weak spark and won't start

    Are you talking about the red wire from the starter that is about a 10 or 12 ga. and goes up to the junction block on the firewall ?
  6. H

    87 crew cab R20 weak spark and won't start

    I tested the voltage going to the Coil and it tests at a little over 12 volts. While cranking the engine over trying to get [B]it to fire I think something else went wrong and it wouldn't turn over or do anything. I replaced the fuse that says crnk and it started turning the engine over again...
  7. H

    87 crew cab R20 weak spark and won't start

    I'm new here to the forum and hope I'm doing this right! Anyways, yesterday I took my 87 Crew cab to the car wash and decided to wash the engine bay along with the truck to degrease it and clean it up a bit. After I was done you guessed it, it wouldn't start. The truck is all stock 350 TBI...

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