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Phillip marvetz · 07-20-2011, 08:19 PM

I've had the same problem with my MAC dial back timing light, Sometimes it works great and other times seems read all the wires at once. If I go find a cheapy it works.

07-20-2011, 08:19 PM	#9
Phillip marvetz Senior Member Join Date: Oct 2008 Location: Lynden ,WA Posts: 820 Likes: 0 Liked 3 Times in 3 Posts	Re: MSD Box Timing Issues I've had the same problem with my MAC dial back timing light, Sometimes it works great and other times seems read all the wires at once. If I go find a cheapy it works. __________________ 2009 V/SA Record Holder