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e
Lifetime Member
Send PMLanoka Harbor, NJ - USA
Joined: 12/21/2006
Posts: 2191
Vette(s): 1975 metallic blue coupe with t-tops,L48, t/t steering, black leather interior. 1990 L98, white/red leather interior, auto,a/c
has anyone gotten one of those wiring diagrams that are in color they
are selling on ebay? looks like a good idea as looking at all black
lines on paper can get confusing. if you got one, did you like it? one
other question, would there be a big difference between a 74 & 75
wiring as the 75 gm manual is only a supplement to th 74? thanks for
any help.
LIFETIME MEMBER #97
THE DYNAMIC DUO
THE DYNAMIC DUO
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N
Former Member
Send PMBURBANK, WA - USA
Joined: 12/21/2004
Posts: 59
Vette(s): 1981 Frost Beige Coupe... all original.. My SECOND Love...
I just bought a diagram for my 81 from Don Olson (vetsvette2002@yahoo.com) and it's great. Paid $37 and it's worth every penny...
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Lifetime Member
Moderator
Send PMModerator
Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22720
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/
Am-Fm/map light National/Regional/Chapter NCRS "Top Flight"
#2-1985 Bright Red/Carmine Cp.L-98/auto
Member: NCRS, NCRS Texas, Corvette Legends of Texas
There is some minor differences in the wiring from '74-'75. '75 was the first year for the HEI ignition system so the wiring for that is different.
The seatbelt warning/starter interlock systems('74) were different, also, except for the very early '75s.
There are other things too, but if the "supplement" doesn't specify a particular change in a system wiring, then it will be the same as the '74.
The seatbelt warning/starter interlock systems('74) were different, also, except for the very early '75s.
There are other things too, but if the "supplement" doesn't specify a particular change in a system wiring, then it will be the same as the '74.
Joel Adams
C3VR Lifetime Member #56 
My Link 
(click for Texas-sized view!) NCRS
"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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e
Lifetime Member
Send PMLanoka Harbor, NJ - USA
Joined: 12/21/2006
Posts: 2191
Vette(s): 1975 metallic blue coupe with t-tops,L48, t/t steering, black leather interior. 1990 L98, white/red leather interior, auto,a/c
[QUOTE=NuclearBob]I just bought a diagram for my 81 from Don Olson (vetsvette2002@yahoo.com) and it's great. Paid $37 and it's worth every penny...[/QUOTE]
is this the only way to contact him is by email or does he have a web site.
is this the only way to contact him is by email or does he have a web site.
LIFETIME MEMBER #97
THE DYNAMIC DUO
THE DYNAMIC DUO
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N
Former Member
Send PMBURBANK, WA - USA
Joined: 12/21/2004
Posts: 59
Vette(s): 1981 Frost Beige Coupe... all original.. My SECOND Love...
I have only used email. The number on his business card is (630) 947-3284.. Hope this helps!
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A
I broke down and bought the original Helm's shop manual for my '78 and it came with a beautiful color nicely detailed wiring diagram. Most useful part of the kit. Mine was about $100.00, but I checked www.helminc.com for the '75 and it was only $75.00. At any rate I found it a super investment.
Dave
Dave
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in Forum: C3 Electrical, Body and Interior
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