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The manual I have describes a 6 point plug and that you should remove this plug and then bridge poles 1 and 3 to power the fuel pump while disabling the cut off. My fuel pump plug is under the CPU near the front RHS of the engine bay. It has a four pin plug (pic attached). Bridging poles 2 and 4 (the bottom two in this pic) powers up the fuel pump (with the ignition) attempting to bridge 1 and 3 creates a nasty shower of sparks. If I then turn on the ignition with 2 and 4 bridged, the fuel pump works, but the cut off is not disabled. Any idea what I am doing wrong, or what I should be doing to disable the fuel pump cut off? For interest I have also attached a pic of the fuel pressure gauge clickon/clickoff arrangement.
Alastair
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Alastair from South Australia
1971 280 SE 3.5
1981 300D
1980 300D
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