Engine Wiring Harness Installation Guide?
I bought a new engine wiring harness for my 1972. Does anyone have an installation guide or instructions for a C3 engine wiring harness?
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Hi d,
The engine harness is a pretty easy one. If the old one is still in place I'd lay the new one roughly in place and unhook, (old), and then hook, (new), the connectors one at a time. When they're all connected I'd remove the old harness and tuck the new harness in place in the various clips and clamps. If you don't have the Assembly Instruction Manual you may want to think about buying one. It will show just how the original was run and where the connections are.... and a zillion other things it will be good to know. Good Luck! Regards, Alan |
Originally Posted by Alan 71
(Post 1580562946)
Hi d,
The engine harness is a pretty easy one. If the old one is still in place I'd lay the new one roughly in place and unhook, (old), and then hook, (new), the connectors one at a time. When they're all connected I'd remove the old harness and tuck the new harness in place in the various clips and clamps. If you don't have the Assembly Instruction Manual you may want to think about buying one. It will show just how the original was run and where the connections are.... and a zillion other things it will be good to know. Good Luck! Regards, Alan |
Buy the Oh-so-ez wiring pictorial diagram Dr. Rebuild for about $20 and it will be very clear where everything goes.
John |
Thanks for the advice guys
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Originally Posted by JohnRR
(Post 1580566106)
Buy the Oh-so-ez wiring pictorial diagram Dr. Rebuild for about $20 and it will be very clear where everything goes.
John |
Installed the new Lectric Limited harness today. The old harness had a few minor wires that were broken off and I couldn't tell where they came from. Needless to say the car doesn't start so maybe those wires weren't so "minor" as I thought. I got a color coded wiring diagram so I'm going to try and figure out where they are supposed to go. I'll probably purchase the assembly manual or Dr. Rebuild if I can't figure it out.
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Originally Posted by JohnRR
(Post 1580566106)
Buy the Oh-so-ez wiring pictorial diagram Dr. Rebuild for about $20 and it will be very clear where everything goes.
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Post pics of the wires in questions and they can be identified pretty quickly.
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'70 AIM images and few miscellaneous pics from '70 install.
http://i42.photobucket.com/albums/e3...7/DSC01095.jpg http://i42.photobucket.com/albums/e3...7/DSC01096.jpg http://i42.photobucket.com/albums/e3...7/DSC01085.jpg http://i42.photobucket.com/albums/e3...7/DSC01058.jpg |
i replaced my engine harness with a new one during my restoration and its pretty streight forward. once you lay in the harness its pretty obvious where the wires will connect to. the starter, the horn relay and the firewall connector is where you have to careful. and of course make sure the battery is disconnected before you start.
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Originally Posted by droknows
(Post 1580594229)
...I'll probably purchase the assembly manual...
:thumbs: |
http://i1170.photobucket.com/albums/...1/IMG_0196.jpg
The first wire is a light brown that splits off the main harness right after the wiper motor. Its about 27 inches long. Any idea where this goes? I believe it goes to the ignition switch but have no idea where the entry hole is located? |
http://i1170.photobucket.com/albums/...1/IMG_0199.jpg
The next one I can't figure out is a three wire plug, blue, light blue, light brown. It's located on the passenger side about half way between the wiper motor and starter. |
Originally Posted by Easy Mike
(Post 1580599139)
AIM shows the installation of the stock harness and where everything plugs up. Is your new harness plugged in well with the forward lamp harness on the firewall?
:thumbs: |
Originally Posted by droknows
(Post 1580601887)
http://i1170.photobucket.com/albums/...1/IMG_0196.jpg
The first wire is a light brown that splits off the main harness right after the wiper motor. Its about 27 inches long. Any idea where this goes? I believe it goes to the ignition switch but have no idea where the entry hole is located? http://i1236.photobucket.com/albums/...s/IMG_1167.jpg |
Originally Posted by droknows
(Post 1580601929)
http://i1170.photobucket.com/albums/...1/IMG_0199.jpg
The next one I can't figure out is a three wire plug, blue, light blue, light brown. It's located on the passenger side about half way between the wiper motor and starter. http://i1236.photobucket.com/albums/...s/IMG_1175.jpg |
http://i1170.photobucket.com/albums/...1/IMG_0203.jpg
Thanks for the pics spdrcr29. My stock carburator was shot so I replaced it with an edelbrock carb. It didn't have any of those solenoids attached to the carb or intake manifold as you do. My edelbrock carb has a solenoid with two prongs on the passenger side (enclosed pic). These are the wiring instructions for it, "Black wire (–): To Ground (Carb Body), Red Wire (+): To Ignition Key Activated 12V Source (NOT coil or alternator)" So I'm assuming this is not where the three wire clip attaches to? |
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