Thanks...any ideas why the fuel pump wont start up on its own??? Just a bit baffled thats all

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Originally posted by technikcars
Im unsure if i have the switched live right...my loom has a back wire with a 1 pin plug on the end near the ht leads(my engine has no dizzy just a sensor on exh cam and plug leads on the inlet cam

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Hi to all,just borrowed my mates link to here to ask a question...hope you can help.
I have put a 93 calli xe engine and box in to my 1999 corsa sport 1.6,it has pas and aircon. I have connected all the wires following threads my mate has taken from here but i can only get the fuel pump to run if i earth the brown/blue wire at the fuel pump relay end!!! I have the main red wire to 12v constant,engine is earthed,green for rev counter done,red/blue for fuel pump done but when you turn the key to on the fuel pump wont strike up like it should.
Im unsure if i have the switched live right...my loom has a back wire with a 1 pin plug on the end near the ht leads(my engine has no dizzy just a sensor on exh cam and plug leads on the inlet cam).There are no other spare wires on the loom...Please help,i just need a bit of guidence

Thanks Carl :thumbs: