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Car doesn't start after supercharger installation

Most injectors run a 12V source hot (key on) all the time. The ECU grounds the other pin to fire the injector. It sounds like you have a hard short

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		Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain > Forced Induction
Car doesn't start after supercharger installation

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10-04-2019, 10:24 AM	#11 (permalink)
WhiskeyHotel Track Member Join Date: Nov 2009 Location: Oklahoma Posts: 530 Drives: 2015 GT-R PW Premium Rep Power: 17	Most injectors run a 12V source hot (key on) all the time. The ECU grounds the other pin to fire the injector. It sounds like you have a hard short to ground in the harness or an injector. Start by disconnecting the injector harness and see if it still blows the fuse. Divide and conquer. (Typical injector impedance is 10-12 Ohms, so they should pull about 1 Amp if they are working properly.) SouthArk370Z likes this.

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