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Old 09-26-2016, 12:02 AM   #8
Gmc.guy
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Join Date: Nov 2015
Location: Alberta
Posts: 464
Re: Anyone have a under hood wiring diagram for a 84 6.2 diesel

I put new exhaust on the truck 2 summers ago. I had to pull the manifolds to replace the studs and I pulled the glow plugs and they looked new too so I put the new ones on the shelf. The truck high idles still when cold and the glow plugs cycle well like they should. Idles up when a/c is turned on cruise works It's a miracle truck. Haha I found tighten everything up good and tight because even the manifold and power steering pump brackets rattled loose in no time. The old timer that had this truck got it new when he was 60+ and took real good care of it
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