Re: '84 GMC No Start - Electrical Problem
I did experience a similar issue with my truck. i can't recall if all of the same systems were powered or not, but I did have lights, and nothing when I turned the key.
In my case, it was a wire feeding the junction block on the firewall, just to the passenger side of the brake booster. One of my wires on the bottom side had corroded and fallen off the block. After reconnecting that, everything fired back up. I never did pull out the wiring diagram to see what was connected to that wire, but I'm thinking that there may have even been a fusible link there, too.
Good luck!
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TomS.
'98 S-10 Blazer 4dr 4wd - 4.3, AT, stock
&
'85 K-10 w/ 305, 700r4, np208, and RUST!
SOLD Dec 2014
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