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Re: what this plug for?
hatzie Qoute:EGR solenoid has different color wires and a different connector.
Harness came from a Manual transmission truck?
The ESC 1st gear switch on a 1984 manual transmission truck has a two-terminal Weatherpak with Green and Yellow wires. Yellow goes back to the ignition Crank wire just before the Clutch interlock and Green goes to the ESC computer.
Answer: The Truck is a 84 GMC 305 Auto, None A/c Truck had duel set up Dist. set ups 84 had a TH350 in it no motor. I got the cab, clip witch the clip is mostly on my 77
and the wiring harness still has the computer. I have not seen the connector before yet. I not sure if it's a Factory Plug. Wire green & yellow look's like 14ga
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 1977 REG cab Long Bed with a 1984 Front Clip, 82 305 .60 over 9.0.1 flat top pistons, 4bbl, TH350, w/84 SS-intake & cam , w/ 1977 big block rad, 1975 gear box, 1984 master w/ metric fittings top & SAE fitting @ portion block, 1975 3.42 gear open diff. Duel 77-87 Factory air cleaner, duel inlet from rad support . Down sized 9' to new 8' Steel flat bed
Was a 77 454 w/308 gear. Taken out 550 lbs. up front with motor clip change.
Last edited by Pontiac1976; 07-20-2018 at 12:38 AM.
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