Rusty Bowtie
General Category => Early Chevy/GM Discussion => Topic started by: ghost28 on January 03, 2018, 12:18:41 PM
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In my 84 blazer k5 it has a distributor that has an aditional 4 prong plug coming from it. Can I put a distributor in it with out this plug on it and bypass these wires? There is no computer.
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Looking at the attached diagrams it has an ECM.
https://www.partsgeek.com/gbproducts/DC/2973-05100349.html?utm_content=DN&utm_term=1984-1985+Chevrolet+K5+Blazer+Electronic+Control+Unit+A1+Cardone+84-85+Chevrolet+Electronic+Control+Unit&utm_source=google&utm_medium=ff&utm_campaign=PartsGeek+Google+Base&gclid=EAIaIQobChMIqOLG4rK82AIViLbACh1f_g38EAQYAiABEgLVMPD_BwE&ad=47433966132
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Autozone version:
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Some had an ecm and some early ones didn't. This one has just the electronic spark module on top of the glove box. i think I have figured out a couple of ways to get rid of the spark module. 1 replacing the distributor and the other is correcting the original distributor. I have a new speedway distributor so that's the way I will go.
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Damn. I should have changed that 33 year old distributor and got rid of that spark box long . That damned old 84 k5 romps now and even spun the tires a bit
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Damn. I should have changed that 33 year old distributor and got rid of that spark box long . That damned old 84 k5 romps now and even spun the tires a bit
Ghost i'm glad you got it up and running right. Years ago I had a buddy that had an '85 2dr Caprice Areo Coupe. It had been running crappy so when he finally had time to tune it up (plugs/wires, bug and cap)....didn't change a thing. He came by quizzing me, popped aircleaner off so i could see and I noticed the extra wires on distributor and wires to Q-jet. Walked over to my hoard and handed him a good '76 H.E.I. and a good older Q-jet. I told him me and electronic dodads (ESC,ECM etc) didn't get along, just forget the extra 4-wire plug. He came back later with a big smile and a good running car ;D