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relays

EFI Wiring Fundamentals

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Discussion and questions related to the course Motorsport Wiring Fundamentals

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why in the demonstration it shows a red wire bridge on the relay?

Hello i have passed this on to head office to reply

Regards Ross

It supplies 12V to the switching side of the relay. The switch then provides a ground to turn the relay on. If you re-watch the module the mode of operation is explained by Zac.

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