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Fuel Pump Relay (where is it??)

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    Fuel Pump Relay (where is it??)

    Where is the Fuel pump relay located?

    Can anyone send me a link to the relay diagrams or post it if you have the manual...

    This one doesn't have enough detail..



    Thanks in advance.


    #2
    there is another relay bank between that box and the airbox its got a lil plastic cover. 3 relays... one of them is fule pump...i forget which one is.

    Russell
    1987 325is
    1992 240sx coupe
    1994 525i

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      #3
      Yah, Thats what I was wondering. I also need to know which one is the windshield wiper relay.

      Just can't find the diagram anywhere...

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        #4
        its in teh ETM. if thats where u got that first img form/..

        Russell
        1987 325is
        1992 240sx coupe
        1994 525i

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          #5
          not sure it's the same, but the fuel pump relay in my 85 318i is the one closest to the lights. it says "benzenepumpenrelais" or something like that on it.

          hope this helps.

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            #6
            Looks like it's the middle one out of the three that are located near the air box...

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              #7
              The wiper relay is the long black one (K10) in the fuse box. If your wiper problem is with intermittent or parking (most common), the relay isn't the cause. If the problem is with constant running (low or high speed), pop the cover off the relay and check for loose terminals where they attach to the PC board. Resolder them if they are loose.
              Be careful about identifying the fuel pump and main relays based on location. They can easily be switched around on the mount.
              The fuel pump relay has a large red wire connected to terminal 30 and a smaller red/white wire connected to terminal 86.
              The main relay also has an even larger red wire(s) connected to terminal 30, but the red/white wire is connected to terminal 87.
              John
              88 ///M3 Cinnabar
              84 318i Black

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                #8
                Originally posted by arnoldgtr
                The wiper relay is the long black one (K10) in the fuse box. If your wiper problem is with intermittent or parking (most common), the relay isn't the cause. If the problem is with constant running (low or high speed), pop the cover off the relay and check for loose terminals where they attach to the PC board. Resolder them if they are loose.
                .
                Thanks, I had the constant running wiper problem and a good cleaning of the K10 relay fixed it.

                Figured out which one the Fuel pump relay is as well.

                Thanks for all the help everyone.

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                  #9
                  Could you take a picutre of the relays installed? Where can I find a relay diagram with the part#?? I had to take all of them out so I don't really know where they all go.
                  Follow my IG @bouchezphotography

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                    #10
                    Originally posted by shields View Post
                    Looks like it's the middle one out of the three that are located near the air box...
                    correctamundo

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                      #11
                      Could you help me out with the relays, I can't figure out where they go??

                      I keep moving them around hopefully someone knows the color and location.
                      I looked everywhere for a picture of it but I can't find it.





                      Also i ahve this harness that I can't find the male plug, any ideas?? What is that for anyways?

                      Thanks!
                      Follow my IG @bouchezphotography

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