Thread: another MSD ?
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Old 02-11-2024, 06:30 PM   #1
rod
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Join Date: Dec 2009
Location: Kingman, NW AZ. in the middle of the longest stretch of Route 66
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Default another MSD ?

in the MSD wiring book I find....

regarding pickup wiring, page 13 states: the black/violet wire is negative while the black/orange wire is positive.
regarding wiring at the MSD 7 box, page 73: M+ is violet and M- is negative.
who ever had these units cut the connector off. so I have no idea which color went to which. as is I have violet to violet and orange to green the engine runs. but I dont know if it correct. why would MSD have one violet - and one violet +. that makes no sense
somebody must have a correct unmolested wiring. will you help me please.
thanks Rod in AZ
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