Quote:
Originally Posted by swisstyphoon
Just went through the same thing recently. I removed my JMS voltage booster when I installed the DSX dual in-tank setup.
The newer JMS units (like the one I had) don’t drain the battery, I measured the draw myself, and it shuts off completely when the car is off, so no parasitic loss.
Ted Jannetty told me I could keep the JMS if you tie it into the second FSCM, or just remove it, either way works depending on how much fuel your setup needs. But then I realized the JMS doesn’t have enough amp output to support both pumps anyway. You’d need the stronger dual-output version for that.
And yes, connecting the red and white wires together will work fine.
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If the green LED stays on its drawing power. Might not be much but it's something. I will have to check mine again, but I swore the green light went off after so long.