Wires from the MSD box go to the following:
Heavy Red: To Battery Pos.
Heavy Black: To Battery Ground
Thin Red: To Pos Coil Wire
Thin White: To Neg Coil Wire
Thin Orange: To Pos Coil
Thin Black: To Neg Coil
The thin red wire does not touch the coil directly after the box is installed. It goes through the box to reach the coil.
Joe50-
Double check your grounds. If they're good, and you have voltage at the thin red wire, but no voltage at the thin orange wire, then the box is defective.
Take care,
-Chris
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