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1990 Chevy 3500 blowing fuses

Discussion in 'Gasoline Engines' started by Matt0608, Mar 7, 2020.

  1. Matt0608

    Matt0608 Registered User

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    Feb 27, 2019
    Location:
    Maryland
    Same truck as last post, accidentally called it a gmc maybe it was cause I was messing around with one of the gmc top kicks we have, but anyways it’s a Chevy, same thing though. The other day it decided to cut out on me going down 301. I was able to get it pulled over and it wouldn’t start again. i was extremely confused because I’ve replaced most things in the fuel system and what actually turned out to be my previous issue was a relay. But I soon figured out it was blowing the ecm ign fuse. I didn’t happen to have any spares so I pulled another 10amp fuse from the panel and hoped it would still start, it did and got me to one of our areas but didn’t last long I think I went through a total of 3 fuses. I haven’t really had the time to look at it but wanted to know if you guys had any ideas on where to start?
     

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