1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Another MSD install Q

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Old 04-22-04, 05:48 PM
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Another MSD install Q

Hey all,

Looked through all the threads and no one has commented on where best/easiest to hook the third wire that runs out of the MSD with the 12V +ve and -ve lines. Apparently you're supposed to attach it to a line that only sees power when the key is turned.

Where does everyone else put it?
Old 04-22-04, 06:01 PM
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I think I hooked it up the positive wire of one of the coils. That's only on when you turn the key.
Old 04-22-04, 06:35 PM
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i tapped mine into the stock power wire on the ignitor, and ran the white wire to the neg of the leading ignitor (removing the stock neg wire)
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