Wiring harness help

[JGross]

I'm working on the wiring harness from my 5.3 vortec doner engine and I need a litte help. After removing the un-needed wires from the PCM contectors (according to LT1Swap) there are two wires left attached to the C100 conntector, one is the oil pressure sender and one is labled " Fused Ignition 3 Feed (Gas) - Front Axle Actuator Switch". Question 1 do I need the oil PSI sender connector, I,ll be using an aftermarket pressure gauge. Question 2 do i need the "Fused Ignition 3 Feed (Gas) - Front Axle Actuator Switch"?

Thanks
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