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10-17-2019, 10:53 PM | #1 |
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1991 Chevy C30 Wiring Dia
I need help
Can anyone point me in the direction of a wiring harness for a 1991 Chevy C30 5.7ltr/4L80E Non A/C Non CC . ....thanks .....sP . . .
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My Spelling is Not Incorrect...It's 'Creative' . . 1966 C-20 .....Swap 91 G-30(5.7 FI)/4L80E http://67-72chevytrucks.com/vboard/s...d.php?t=789617 59 Viking Revival .. http://67-72chevytrucks.com/vboard/s...d.php?t=632341 Last edited by Softpatch; 10-17-2019 at 10:56 PM. Reason: more info |
10-18-2019, 09:56 AM | #2 |
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not a lot of choices
Your post is confusing. The title says dia but your question says harness. I'm going with harness.
You have few choices for a replacement harness. • Rip one out of a junk yard vehicle • Order one from somewhere like Summit Count up the number of circuits https://www.summitracing.com/search/...ng%20Harnesses Last edited by speedygonzales; 10-18-2019 at 11:01 AM. |
10-18-2019, 08:18 PM | #3 |
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Re: 1991 Chevy C30 Wiring Dia
soory I need a Diagram for a 91 C-30
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My Spelling is Not Incorrect...It's 'Creative' . . 1966 C-20 .....Swap 91 G-30(5.7 FI)/4L80E http://67-72chevytrucks.com/vboard/s...d.php?t=789617 59 Viking Revival .. http://67-72chevytrucks.com/vboard/s...d.php?t=632341 |
10-18-2019, 08:33 PM | #4 |
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Re: 1991 Chevy C30 Wiring Dia
Looks like there is a PDF one in hatzie's post. Check this thread and scroll down till you see 1991
http://67-72chevytrucks.com/vboard/s...d.php?t=545416
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Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! |
10-19-2019, 12:14 AM | #5 | |
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Re: 1991 Chevy C30 Wiring Dia
Quote:
. Thank you a lot of good information . I found a ABS controller while swapping this 91 C30 into my 66 C-20 Im not going to use it.. wanted the wiring diagram to confirm I can unplug it . . ......Sp . .
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My Spelling is Not Incorrect...It's 'Creative' . . 1966 C-20 .....Swap 91 G-30(5.7 FI)/4L80E http://67-72chevytrucks.com/vboard/s...d.php?t=789617 59 Viking Revival .. http://67-72chevytrucks.com/vboard/s...d.php?t=632341 |
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10-19-2019, 12:51 AM | #6 |
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Re: 1991 Chevy C30 Wiring Dia
just for a laugh
.
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My Spelling is Not Incorrect...It's 'Creative' . . 1966 C-20 .....Swap 91 G-30(5.7 FI)/4L80E http://67-72chevytrucks.com/vboard/s...d.php?t=789617 59 Viking Revival .. http://67-72chevytrucks.com/vboard/s...d.php?t=632341 |
10-19-2019, 04:32 PM | #7 | |
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Re: 1991 Chevy C30 Wiring Dia
Quote:
http://67-72chevytrucks.com/vboard/s...d.php?t=700011
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1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
And please let us know if and how your repairs were successful. |
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10-20-2019, 03:14 PM | #8 |
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Re: 1991 Chevy C30 Wiring Dia
Thank you hatzie
for all your effort . ...............................Great resource . http://67-72chevytrucks.com/vboard/s...d.php?t=700011 . . .................Sp . .
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My Spelling is Not Incorrect...It's 'Creative' . . 1966 C-20 .....Swap 91 G-30(5.7 FI)/4L80E http://67-72chevytrucks.com/vboard/s...d.php?t=789617 59 Viking Revival .. http://67-72chevytrucks.com/vboard/s...d.php?t=632341 |
10-20-2019, 03:36 PM | #9 | |
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Re: 1991 Chevy C30 Wiring Dia
Quote:
I should've said this but better late than never. If that fullsize van in your picture is what you're working on it's a G series not a C series machine. You'll need wiring diagrams for a G30 to work on that machine. The CK or RV series wiring diagrams might or might not get you what you need. There are differences. The G van diagrams in the 1988 wiring diagrams may actually be usable for quite a lot of the 1991 G van wiring but I bet there are differences. The instrument panel wiring is not the same between the vans and the pickup trucks and there are several other areas that differ quite a bit. You might be able to use a P series box van diagram for some things like the instrument panel but no guarantees on that either. You could see if the old 1991 GM Upfitters guides for cutaway chassis are online somewhere. Cutaways are basically incomplete fullsize vans with 1-ton or dually running gear. The bodies are only assembled to right behind the B pillar. The final assembly is left for an upfitter to install a cargo box or short bus or some other custom rear body. They essentially look like someone took a laser and cut the rear of the van body off about 2" behind the B pillars and set it on a 1-ton or dually chassis. The upfitters guides will have forward half wiring diagrams that should come pretty close to the G-vans that GM borrowed the bodies from.
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1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
And please let us know if and how your repairs were successful. Last edited by hatzie; 10-20-2019 at 03:42 PM. |
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10-20-2019, 03:54 PM | #10 |
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Re: 1991 Chevy C30 Wiring Dia
yes your are correct it is a G-30
and the the 1991 wiring Manual Checked all the boxes again thank you . . ......Sp . .
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My Spelling is Not Incorrect...It's 'Creative' . . 1966 C-20 .....Swap 91 G-30(5.7 FI)/4L80E http://67-72chevytrucks.com/vboard/s...d.php?t=789617 59 Viking Revival .. http://67-72chevytrucks.com/vboard/s...d.php?t=632341 |
10-20-2019, 03:58 PM | #11 |
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Re: 1991 Chevy C30 Wiring Dia
Yes you are correct it is a 1991 G-30
The 1991 CK Light truck Wiring manual checked all the boxes . again Thank you hatzie . ..............Sp . . .
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My Spelling is Not Incorrect...It's 'Creative' . . 1966 C-20 .....Swap 91 G-30(5.7 FI)/4L80E http://67-72chevytrucks.com/vboard/s...d.php?t=789617 59 Viking Revival .. http://67-72chevytrucks.com/vboard/s...d.php?t=632341 |
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