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Senior Member
Fitech fuel wiring
20200428_090716.jpg
I know this has been discussed in the past, but my fuse panel looks a bit different than those I've seen in the past and in the manual. I don't have that tan jumper shown in the manual. It appears my fuel pump relay (bottom of the pic) has 2 power wires. The tan one is connected to the fuel pump fuse and the orange one to the EFI/ coil fuse. Should the fitech+12v wire be powering the relay or the pump itself? Fitech directions show to the pump directly. I've also read this eliminates any issues with PWM and the relay in the fuse box, however I also understand this can be overridden with some advanced settings. What are the pros and cons of connecting the EFI power to either the fuel pump relay or directly to the fuel pump power? The inertia switch is connected to the ground, so shouldn't be in the equation, correct?
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