1992 E36 325i Fuel Pump Power(FIXED)

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Thread: 1992 E36 325i Fuel Pump Power(FIXED)

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  1. 1992 E36 325i Fuel Pump Power(FIXED) 
    #1
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    Hey all,

    I dont have any power coming to the fuel pump fuse in the fusebox, getting power at the relay and replaced relay, just incase but hope someone has any ideas on why there no power at fusebox? Cheers
     
     

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    #2
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    One side of the relay is connected to 12V constant, and then switches to the fused side on start. So check this side of the relay which is connected to fuse linked to the fuel pump. Are you probing fuse F18?
     
     

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    #3
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    Hi a turned on ignition and got to of the 4 ports where the relay goes with power? and yes it is f18 I am looking or power at
     
     

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    And how many ports of the relay do you get power at when ign off? If you can give me the month that your car was built, I will check the schematics for you.
     
     

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    #5
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    aint tried that yet, its a 1992 (K reg) Thanks
     
     

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    #6
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    Hi mate checked log book to give exact month it says november
     
     

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    #7
    Dr of BMW gildersol's Avatar
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    You should have +12v at pin 30 and pin 86 when the ignition is on. Do you have that?
     
     

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    #8
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    yes have them both
     
     

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    #9
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    Is the relay operating. Can you hear/feel it click? If not, remove the relay and try using a piece of wire to link out pins 30 and 87 and check if the power is at the fuse now. The pump should run
     
     

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    #10
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    hi its a brand new relay but I will try the wire and see wat happens then give you a shout back on here let you know
     
     

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