ECU earthing...
08 June 2008, 02:57 PM
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ECU earthing...
I'm putting a 93 jdm WRX engine into an old VW beetle... but I'm having trouble getting it started.
I think it's to do with ECU earths, as when i have the ignition on the fuel pump doesn't run, but when i earth the ecu wire to the fuel pump relay the pump starts.
could someone please tell me how the ECU is earthed... is it by a wire into it (and if so what one), or is it earthed directly to the chassis via the case?
thanks,
Matt.
I think it's to do with ECU earths, as when i have the ignition on the fuel pump doesn't run, but when i earth the ecu wire to the fuel pump relay the pump starts.
could someone please tell me how the ECU is earthed... is it by a wire into it (and if so what one), or is it earthed directly to the chassis via the case?
thanks,
Matt.
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