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Re: GM LS crate engine wiring
Posted to Technical Discussion Forum on 1/21/2021 5 Replies

A diode in the relay coil wire won’t work. The “generated” voltage is coming from the fan motor,which is tied, through the relay contacts, to the main power, through the IGN switch. The voltage for the relay coil is sourced from the IGN circuit. In effect the ... Login to read more.

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