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Topic: 68 dash wire harness

in Forum: C3 Electrical

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68 dash wire harness (1/5)
12/24/13 3:17pm

rlu1968
Former Member
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Gordonvillle, TX - USA

Vette(s):
1968 Roadster 427

Joined: 11/28/2003
Posts: 228

Since I am replacing the tach and several items within the dash, and since I will have the lower dash out, center console and right dash pad I might as well go ahead and replace the old dash wire harness with all new.

May save a fire later on.

Over the years I have spliced wires within the dash for various reasons but now my fuse holder is getting corroded and I am having some issues.

Probably all goes back to Main Street Paint and Body in Randolph Texas that was suppose to cover my car and protect the interior, in which they did a very lousy job, when it was soda blasted. They got soda under the dash and other areas that I am still finding in the restoration.

Has anyone done this on a 68 because the 68 is a little different from most of the others of that time period.

I have been through the dash a few times before but never took on a dash harness.

Anything to beware of.

The harness that the corvette catalogs have seem to be all from the same Mfg.

Wishing all the members a very Merry Christmas.

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Re: 68 dash wire harness (2/5)
12/24/13 6:35pm

Adams' Apple

Lifetime Member
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Duncanville, TX - USA

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

Joined: 11/8/2003
Posts: 20204

Buy the harness directly from Lectric Limited...cut out the middleman. A harness replacement is not for the faint of heart, but it can be done if you do not get in a hurry, and have lottsa patience. Take plenty of pics beforehand, label ALL connections/connectors. If you don't have one already get the AIM(Assembly Instruction Manual)...it will be a lifesaver for a harness swap.

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Joel Adams
C3VR Lifetime Member #56
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Re: 68 dash wire harness (3/5)
12/26/13 8:27am

knotacare
Limited Member
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Newark, DE - USA

Vette(s):
1968 Conv, 454HO,500HP-600TQ, TKO-600,3:70 HD rear,hotrod air, custom paint & suspension,1973 Ruby Red,T-top, 383 Stroker, TK)-500,frame off restro, 1967 Dodge Coronet, 340 stroker to 406, Dana 60

Joined: 7/26/2004
Posts: 468

After a fire in the engine compartment & when I took the dash off it looked like bubaville so... I replaced the entire wiring harness on my 68 a few yrs back. I decided to go with a Ron Francis which allowed me to install an ungraded fuse panel. I went to a single harness hook up behind the dash & instrument panel. So you only have to hook up one plug. The whole process took about 80 hours & I soldered each connection plus heat shrink. Also installed a solid grounding block behind the dash & hid most of the wires in the engine compartment. This is not for the average do it yourselfer. But once you are done wiring problems are a thing of the past. Thumbs Up

Alan

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Re: 68 dash wire harness (4/5)
12/26/13 7:34pm

rlu1968
Former Member
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Gordonvillle, TX - USA

Vette(s):
1968 Roadster 427

Joined: 11/28/2003
Posts: 228

I looked at Ron Francis wiring but it looks way to difficult, over just ordering a complete harness made for the 68.

I don't want to splice the old lamp wires and other connections to the new wires with heat shrink, solder etc. to make it all work.

I would rather have all new wires and a modern set up.

I notice that some of the catalogs use Lectric limited wiring, made mostly in the USA.

Might be the way to go??? However the price at the Lectric web site is higher than that of the catalogs.

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Re: 68 dash wire harness (5/5)
12/27/13 9:17am

68vet427
Standard Member
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macedon, NY - USA

Vette(s):
68 COUPE 454 HAS MOTION HOOD SCOOP, REVERSED GILLS ZL-1 FENDER FLARES AND MOTION REAR SPOILER, LEMAN'S GAS CAP, BUCKET HEADLIGHTS. CAN-AM FRONT RACING SPOILER. CHROME HOOKER HEADERS AND SIDE PIPES! 4 SPEED M20, LOOKS FAST STANDING STILL !!

Joined: 7/20/2006
Posts: 367

HI, when I did mine I would highly recommend the electrical schematic , Laminated with pictures!!

Tells where everything goes and the pictures are of the actual connectors. made things a lot easier for the first time I ever did any wiring in a car. I put in a complete harness front to back.

Joe

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