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Old 02-02-2004, 10:05 PM
torso25 torso25 is offline
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electronic spark control

my 83 silverado has no spark. i was recently told that the electronic spark control module was bad. however when the people showed it to me in the book they were pointing to the "knock control?". I tried to take this off but i wasn't able to. i was wondering of there was any special way or different things you need to do. i have replaced everything else accept the ESC. does this sound right?
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Old 02-02-2004, 10:12 PM
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72 rs 72 rs is offline
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Re: electronic spark control

i would think they were talking about the ignition control modual (ICM) located in the distributer ( under the rotor). its not hard to remove.........just take the cap and rotor off , unpluge the 2 conecters and take the 2 small screws out
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Old 02-03-2004, 07:32 AM
michelq michelq is offline
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Re: electronic spark control

sound about right esc has problem
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Old 02-03-2004, 11:09 PM
torso25 torso25 is offline
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Re: electronic spark control

i was told that the ESC on my 83 silverado was about the same size and shape as the computer. but when i look at the 87-92 they look totally different. i was wondering if it was possible for me to use the 87-92 ESC and computer, or if it could be converted easily.
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Old 02-04-2004, 06:04 AM
michelq michelq is offline
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Re: electronic spark control

up to 86 it has esc 87 and up it has ecm.
is not easy to convert
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Old 10-27-2004, 07:29 PM
ralphmorgan ralphmorgan is offline
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Re: electronic spark control

Torso25
I have a very similar problem with my ranch truck. I was driving it to the ranch for deer season and it quit. I replaced the distributor, coil, module, and rotor and still no spark. I was told that the ESC module is bad. Also, I was told that if you splice wires going to terminal A and C together, you can bypass the ESC and everything will work okay. Right now the truck is 100 miles away and I haven't got back to it. Anyone heard about splicing the wires. I sure would not want to screw up something else.
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