i am going to put my 74 back to stock set up w points. does annybody have a pick w the coil wire set up? and did they have a ballist in line?
coil wire set up
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Re: coil wire set up
Ballast resistors weren't used after 1967 - the cloth-covered ignition wire from the bulkhead connector to the coil (+) terminal was a resistance wire, and that spade terminal also had a wire (yellow, I think) crimped in it from the starter solenoid "R" terminal to provide a full 12V when cranking. The coil (-) terminal has the black wire (from the points) from the distributor.
If you have a radio, the coil (+) terminal will also have a spade from the radio noise suppression capacitor on it.- Top
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Re: coil wire set up
First of all, John you have been a invaluable source of information for me during my restoration. Your articles and posts are extremely helpful. On my original '73 L82 there seems to be a slight difference from your description.
I have a black wire with "resistance" written in pink letters. Doc Rebuild shows this on his diagram also. This wire is crimped together with a cloth wire which is red, not yellow. These both go to the + side of the coil. (The red cloth wire goes to the R terminal on the starter at the other end as it should)
When I first researched this in the archives I found a few members that also had the "red" wire. Perhaps your '74 is set up the same way.
ChrisChris
'72 Lt-1 a/c Pewter Silver coupe Mason Dixon Chapter Top Flight 2016
'73 L82 4 spd Dark Metallic Blue coupe Chapter Top Flight 2023- Top
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Re: coil wire set up
Hi Chris
The cloth wrapped wire on my 14000 mile 73 L48 is yellow.Tom Hendricks
Proud Member NCRS #23758
NCM Founding Member # 1143
Corvette Department Manager and
Specialist for 27 years at BUDS Chevrolet.- Top
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Re: coil wire set up
i knew somebody would help!!!!! THANKS under the cloth coverd wire is pink or red along with a black wire together i will take a look at the starter mtr R term to see if there is a wire there how manny volts should there be at the pos side of the coil with ket on mtr not running?- Top
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Re: coil wire set up
Tom, just curious, what is your build date on your '73? Mine is Mar 15.
Richard, with key on run the volts should be 6-8 volts through the resistance wire. During start, a full 12 volts comes through the purple wire on the S terminal.
ChrisChris
'72 Lt-1 a/c Pewter Silver coupe Mason Dixon Chapter Top Flight 2016
'73 L82 4 spd Dark Metallic Blue coupe Chapter Top Flight 2023- Top
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Tom Hendricks
Proud Member NCRS #23758
NCM Founding Member # 1143
Corvette Department Manager and
Specialist for 27 years at BUDS Chevrolet.- Top
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