MSD with 3 prong starter - Team Camaro Tech
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post #1 of 7 (permalink) Old Oct 7th, 06, 11:04 AM Thread Starter
 
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MSD with 3 prong starter

I have a #8360 MSD "Ready to Run" with Blaster coil....new engine start-up. I have replaced the original resistor wire to the coil by running a new wire from the "ignition" terminal from the fuse box. I don't know if this terminal is hot during cranking so I am unclear if I still need the yellow connection from the starter to the coil for power during cranking. Can anyone clarify this for me....I've read the posts and am still not clear.

68 Camaro with replacement harness.

Thanks,
Sam
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post #2 of 7 (permalink) Old Oct 7th, 06, 11:45 AM
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Re: MSD with 3 prong starter

on 68-69, this wire is hot during crank, and is all you need. disconnect the yellow wire at the both ends and tie it back, or it won't hurt to leave it connected at both ends, just don't let one end flap around loose.





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post #3 of 7 (permalink) Old Oct 7th, 06, 12:48 PM Thread Starter
 
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Re: MSD with 3 prong starter

Thanks Jim....Sam
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post #4 of 7 (permalink) Old Oct 9th, 06, 02:04 AM
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Re: MSD with 3 prong starter

jim are you saying that 67's dont have power to the ignition terminal when cranking?
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post #5 of 7 (permalink) Old Oct 9th, 06, 05:10 AM
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Re: MSD with 3 prong starter

There is ignition power when in the START position. The reason the yellow wire was added between the starter solenoid (R teminal) and the + (positive terminal) of the coil, id to aid in starting the engine with a full 12 volts vice a reduced voltage via the resistive wire.

By disconnecting the purple wire at the solenoid and testing the resistive wire, or new additional wire, with a DMM or a test light, one can see if ignition voltage is given from the ignition switch when in the START position.

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post #6 of 7 (permalink) Old Oct 9th, 06, 08:04 AM
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Re: MSD with 3 prong starter

Quote:
Originally Posted by 400bird View Post
jim are you saying that 67's dont have power to the ignition terminal when cranking?
I'm not completely positive on that. I had a 67 once (over 25 years ago!!) and what I recall is when I put in an hei (and bypassed the resister wire), the car would crank but not start until I hooked up the yellow wire from the starter. Again, this is a foggy quarter century old recollection.

Would love to hear for sure from someone who currently has a 67 with a known to be original ignition switch.





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post #7 of 7 (permalink) Old Oct 10th, 06, 01:10 AM
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Re: MSD with 3 prong starter

ok, thanks jim, i guess i will have to check whenever i get my 67 finished painting and rewired...
i will post the answer for you but, sadly, it might take a year to get there
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