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bpu699 bpu699 is offline
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Join Date: Apr 2007
Location: wisconsin
Posts: 2,539
I have the msd epoxy coil...

A drop in voltage may make sense, as I never heard the pumps prior to installing the msd.

Could something have been hooked up wrong, and the car still runs?

The msd draws power straight from the battery cable, and it's grounded to the motor. I had it grounded to where the permatune was grounded, but changed to see if it makes a difference. It didn't.

I will check the voltage at the pumps this weekend. If normal, I will check the flow and pressures.

Old 11-03-2014, 02:14 PM
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