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Earthing Techniques.

EFI Wiring Fundamentals

Relevant Module: EFI Wiring Harness Design > Power Grounding > Star Point Earthing

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Discussion and questions related to the course Motorsport Wiring Fundamentals

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I have a Mazda RX7 with a 13B Rotary engine thats a race car.

My question is, is it acceptable to use the vehicle chassis for the battery earth point and ground the rotor housings to the chassis and then run all the other earth points to one star point on the chassis also ?

It sounds like you will have a single chassis ground point everything runs to, and a strap from that single point to the negative battery terminal. That sounds good to me.

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