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Earthing engine block

EFI Wiring Fundamentals

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Discussion and questions related to the course Motorsport Wiring Fundamentals

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Hi just have a quick question on earthing ? With the battery relocated to the boot of a vehicle Is it best to run a dedicated earth cable from the battery to the block ? or is it okay to run the earth from the block to the chassis and repeat this on the battery

its ok to run a cable to the chassis then chassis and cable from the chassis to the engine

just make sure it is appropriate sizes and bolts and chassis