since i removed my factory PCM i need a switched 12V source under the hood that i can use to power my opti-spark. preferably something that is fused. most of my factory electical system for the car is gone but i still have the under hood fuse block and all its connected wires running to the plugs on the pass. side strut tower. i would really like to be able to use one of those wires seeing as how i am not going to be using them for anything but the fans from now on. any idea on what amp the fuse should be? the factory diagrams and the FAST instructions both just say a 12v source.

 

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