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Sizing wires in efi

EFI Wiring Fundamentals

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Discussion and questions related to the course Motorsport Wiring Fundamentals

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So I’m planning on running a big wire from alternator which will also be connected to the starter motor (how it is from oem). I will then splice these two together and in the same splice seperate into 6 serperate wires for the relays. Do i need to separate the amps between each wire ?

secondly, I have been told not to worry about load of wires when splicing on wires such as 5v supply and sensor ground. Is this true?

Thirdly if I am supplying wires to my injectors that each have a load of 1A then that will be 4A in total. Then on the same circuit I’m also supplying 2a to a wbo heater. Would I still separate the load evenly when splicing it into one bigger load wire?

thanlyou

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