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Crank speed sensor or distributor wire?

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    Crank speed sensor or distributor wire?

    Hi all, i have been rebuilding the head on my m20. Its all done now but has taken some time to do and i have forgotten which wire/plug goes where. Does anyone know which plug is the correct location in the pic i have below please? One of the wires is attached to the distributor cap and the other one is the crank speed sensor. Thanks

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    #2
    Originally posted by Robo90 View Post
    Hi all, i have been rebuilding the head on my m20. Its all done now but has taken some time to do and i have forgotten which wire/plug goes where. Does anyone know which plug is the correct location in the pic i have below please? One of the wires is attached to the distributor cap and the other one is the crank speed sensor. Thanks

    Sent from my SM-G960F using Tapatalk
    I just went through this. One is the crank sensor and at least on the early e30 (mine is 06/87), the other goes to the sensor wire on spark plug wire 6. The closest one in the picture looks like the crank sensor connector. The farther one looks to be the other. You didnt say which e30 this was, so i did the best i could.

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      #3
      Originally posted by doctorx View Post
      I just went through this. One is the crank sensor and at least on the early e30 (mine is 06/87), the other goes to the sensor wire on spark plug wire 6. The closest one in the picture looks like the crank sensor connector. The farther one looks to be the other. You didnt say which e30 this was, so i did the best i could.
      Apologies, mine is an 89 320i. I think i will try that. Wondering what would happen if i got them wrong. Thanks for your input

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        #4
        If they are reversed it just won't start so you switch them. It's happened to lots of us without damage
        Deck Lid and soft top Shocks on hand

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          #5
          I had mine switched and the car didn’t start so it’s easy to know. :P
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          E30 1989 325i Vert Bronzitbeige Metallic/Natural

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            #6
            Thanks all of you for your help. Will give it a go. Just wanted to make sure i didnt wreck anything. Cheers

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              #7
              Im just behind you working on my 89 325i - did you sort this out?

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                #8
                Originally posted by r-mm View Post
                Im just behind you working on my 89 325i - did you sort this out?
                I have it all connected up but i havnt started it yet. Will be doing this weekend so will let you know how it goes

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                  #9
                  I started my car with the plugs installed as shown. Because the plugs are handed a picture is all you need (note which direction wire leaves forward part of sender) but the crank position sensor is driver side, #6 plug wire sender pass side.
                  Click image for larger version

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                    #10
                    Originally posted by r-mm View Post
                    I started my car with the plugs installed as shown. Because the plugs are handed a picture is all you need (note which direction wire leaves forward part of sender) but the crank position sensor is driver side, #6 plug wire sender pass side.
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                    I get you. I think i have it right now. Thanks for your help.

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