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can't find parts/wiring diagrams
#787746 January 25th 2022 2:02 am
Joined: Jan 2022
Posts: 1
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Azad Offline OP
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I recently picked up an '86 g30 hi-cube with the 6.2 diesel. It's pretty cool, but I'm finding info and parts to be shockingly hard to come by.

The first thing I'm looking for is a wiring diagram and I CANNOT find one for a g30 diesel.

the previous owner was pretty careless and made some terrible modifications. He didn't like the two battery setup with one battery underneath, so he put both batteries behind the driver, and just bypassed the ignition switch with a battery isolator "master switch" built into the side of the driver's seat. I want to go back to the stock setup, but I can't find anything to reference in order to figure out what he changed.

I also can't find any body parts diagrams. The PO removed and discarded the underbody battery tray, and googling doesn't turn up a replacement. He took the lock cylinder out of the sliding door, dropped it down a crawfish hole and didn't bother to dig it back out, I can't find any information about that part online. Plus the latch isn't quite working like it should. I have no idea how to find a lock cylinder without a parts diagram. I might be wrong, but I'm assuming its going to be quite different from the front door locks.

The van in question has a body just like this:
https://www.bigiron.com/Lots/1986ChevroletG30HiCubeCargoVan

Thanks to anybody with the time and inclination to help me with this.

Re: can't find parts/wiring diagrams
Azad #787747 January 25th 2022 3:24 am
Joined: Jun 2010
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Welcome to the site Azad ....


SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: can't find parts/wiring diagrams
Azad #787857 January 28th 2022 8:58 pm
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old hand
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I purchased a 91 G-20 late last year, ordered a copy of the shop and electrical manuals and the electrical manual had all the wiring diagrams for a the different engines for 91 including the diesel engine....assume the electrical diagram for your year would also.


Recently purchased (10-2021) a 1991 Chevy G-20 “Shorty”. Past vans are a 1976 Chevy G-10 (purchased new in 1976 & sold in 1995). A 1978 Chevy G-20 Shorty purchased in 2010 and sold in 2015.

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