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Wire sizing problem

EFI Wiring Fundamentals

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Discussion and questions related to the course Motorsport Wiring Fundamentals

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Hello,

I´m calculating the wire size to my harness. I´m using a PDM from AIM (PDM 32) and I uses AMP superseal connectors whose terminal support 16-20 AWG wire. This PDM has some outputs up to 35 A rated, but 16 AWG wire is rated according to the classes up to 8 A. So what can I do?

The High Power Outputs use more than one pin -- so you use 2 14 AWG wires (Tefzel ETFE rated at 17.7 Amps ea). I haven't looked, but there may be terminals for that connector that are designed for 14 AWG wires, or I would just try squeezing it in there.

BTW - I think the class info is a bit conservative, a quick google will find you this info for Milspec wire (which list 16 awg at 13.9 amps ea):

https://wingsandwheels.com/tefzel-wire-22-gauge.html

Thank you very much! I was really worried