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Two wires into one terminal?

EFI Wiring Fundamentals

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Discussion and questions related to the course Motorsport Wiring Fundamentals

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I've completed my concentric engine harness build last year. For power & ground to coils I used 2x 22awg. I was wondering what your thoughts would be using two wires per pin. I would imagine it's not ideal but I can't find a definitive answer either. It's a street car so it will never see a harsh auto-x environment. See pic

https://imgur.com/a/ON3REvz

I just splice them into a single conductor before the pin and then go into the pin from there. Same deal for PDM outputs. 2 15 amp outputs just get joined together to provide 30amp. Better than feeding 2 conductors into a pin.

2 conductors in 1 pin compromises the seal. I'll do it if its under a booted connector, but if its like in the picture shown I would have done a splice to a larger single wire and ran that to the coil connector.

That's a good idea actually. I should've put a splice behind the Y boot. Thanks for the replies.

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