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Thread: m52 cam position sensor to megasquirt wiring.... hall effect??>?

  1. #1
    Join Date
    Feb 2016
    Location
    colorado
    Posts
    2
    My Cars
    97 328is, 90 300zxtt

    Angry m52 cam position sensor to megasquirt wiring.... hall effect??>?

    hey guys im trying to wire a ms3x to my e36 using a m52 cam position sensor when i look at wiring diagrams if find the cam position sensor goes to DME pins 41 43 64 65. 41 is shield 64 is ground, discription for both pins 43 and 65 says cam position,

    pin 65 goes to pin 1 on cam position connector yellow wire
    pin 43 goes to pin 3 on cam position connector brn wire
    pin 64 goes to pin 2 on cam position connector blk wire ( sensor ground

    im 95% sure this is a hall effect type sensor so one of the wires pin 1 or 3 should get a 12 or 5v feed and signal should be returned on the other wire

    any thoughts greatly apprected

    wiring diagrams sourced from http://wedophones.com/Manuals/BMW/1997 BMW 318is-c - 328i-c Electrical Troubleshooting Manual.pdf

  2. #2
    Join Date
    May 2017
    Location
    Flowery Branch, Georgia
    Posts
    13
    My Cars
    69 Ferrari Replica w/M73
    Hi. I just wired up an MS3Pro to my M73 engine. The cam sensor on that engine was a hall-effect sensor, but I had to run a 1K pull-up resistor to 12V to get the MS3Pro to read anything. The power wire going into the sensor did not act as a pull-up.

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