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oldcorollas
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Kita-Ku, Sapporo, Japan
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January 2003

Re: Couple of wiring glitches

Fri, 28 January 2005 02:32

justcallmefrank wrote on Fri, 28 January 2005 12:03

I've checked across one side of it and found the earth pin. I then connected the other pin on that side to the main relay pin on the ECU. The switched power for the ECU is spliced into the wire on the "negative" pin on the switched side of the relay.

whu? (i must still be half asleep Wink

)

so normally, IGN provides power to the efi main relay coil, and the other side is always earthed?

you connected the "other pin on that side" (does that mean it's an earth? or it's the power for the relay coil?) to the ECU main relay pin?

does the ECU provide a power or an earth to trigger relays? i would have thought it switched the earth side of the relay, meaning that that will be the only earth for the relay.

"The switched power for the ECU is spliced into the wire on the "negative" pin on the switched side of the relay.:

umm, any chance you could draw a simple diagram of this? you could be providing a power loop to keep the relay on perhaps?

[Updated on: Fri, 28 January 2005 02:33]

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