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Wiring a relay

EFI Wiring Fundamentals

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Discussion and questions related to the course Motorsport Wiring Fundamentals

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When wiring and powering a relay, is it best to apply a fuse or circuit breaker between battery and pin 30, or as pictured, between pin 87 and the load?

I generally put it between the relay and the load, since I many have more than one load controlled by the relay, and I want to size the fuses for each individual capability.

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