Any e30 electrical people near Bethlehem, PA? Will Pay!

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  • dreamchasin
    No R3VLimiter
    • Feb 2009
    • 3890

    #16
    Originally posted by yert315
    check it anyway. Jumper the starter and see if it cranks over. If it doesn't, you may have your problem..
    Done that.
    Originally posted by Vtec?lol
    When checking the starter voltage always use the engine for ground, not the chassis.

    There is a little black wire connection in the factory harness, make sure it's unplugged. it should be right under the windshield

    as for the windows, check the breaker switch of course or swap it with a known good one. If still no worky then follow the wires and make sure there's no fault.

    I would look at the fuse box connection under the dash/steering wheel where all the wires interface. make sure it's solid and push around the wires and see what you get.
    Done that, and there is no breaker switch, it is bypassed.
    Originally posted by TurboJake
    I said this in the first reply....
    ^


    90 325is alpine2 m50b25 becoming a dorifto car.

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    • TurboJake
      No R3VLimiter
      • Oct 2010
      • 3780

      #17
      So.
      The starter. It's getting good power
      It has a good ground. (As in, the engine has a good ground)
      You jumped it.

      And nothing happened?

      Do you not see the problem there?
      Hint: It's the starter

      Be a bit more clear. If it did something, let us know......

      Also, stupid but required question.
      Is the battery installed with the polarities correct?
      Last edited by TurboJake; 07-25-2011, 04:20 AM.


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      • dreamchasin
        No R3VLimiter
        • Feb 2009
        • 3890

        #18
        Originally posted by TurboJake
        So.
        The starter. It's getting good power
        It has a good ground. (As in, the engine has a good ground)
        You jumped it.

        And nothing happened?

        Do you not see the problem there?
        Hint: It's the starter

        Be a bit more clear. If it did something, let us know......

        Also, stupid but required question.
        Is the battery installed with the polarities correct?
        What confuses me is, the starter never had a single issue, it worked when I parked the car. So why all of a sudden now that it's in a different shell, it doesn't work? The car only sat for a week.

        EDIT: yes the battery is connected correctly.


        90 325is alpine2 m50b25 becoming a dorifto car.

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        • TurboJake
          No R3VLimiter
          • Oct 2010
          • 3780

          #19
          It may have been bumped too hard, and had the solenoid kick the bucket. It's hit or miss and some starters you can hit with a sledge and it will be fine. others if you so much as look at it the wrong way it will say "fuck this, I'm out"

          If it's completely unresponsive to being jumped. pull it out, and get it tested at the parts store. Either it's broken, or it's fine and there's a problem with the wiring.
          If I'm not mistaken, the M50 starter solenoid has leads on both sides for the start signal. That could also be the culprit (Being on the wrong side)
          Last edited by TurboJake; 07-25-2011, 06:19 AM.


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          • dreamchasin
            No R3VLimiter
            • Feb 2009
            • 3890

            #20
            Originally posted by TurboJake
            It may have been bumped too hard, and had the solenoid kick the bucket. It's hit or miss and some starters you can hit with a sledge and it will be fine. others if you so much as look at it the wrong way it will say "fuck this, I'm out"

            If it's completely unresponsive to being jumped. pull it out, and get it tested at the parts store. Either it's broken, or it's fine and there's a problem with the wiring.
            If I'm not mistaken, the M50 starter solenoid has leads on both sides for the start signal. That could also be the culprit (Being on the wrong side)
            I'm running an early m20 starter to the g260 I could have sworn there were 3 positive wires to it, but my friend said 2. I could be wrong, because after all, I am an idiot. I'll ask him to re-try jumping it all, and see what happens. If it doesn't work that means starter eh? If it's the starter I'll be so happy, yet so goddamn mad at the same time.


            90 325is alpine2 m50b25 becoming a dorifto car.

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            • dreamchasin
              No R3VLimiter
              • Feb 2009
              • 3890

              #21
              It's not the starter. There is a positive wire touching a ground somewhere making the engine ground put out 5v positive. He is going to trace all the wires and try to find it. We're hoping it's that, but would surely explain it.


              90 325is alpine2 m50b25 becoming a dorifto car.

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              • Len013091
                Noobie
                • Jul 2010
                • 29

                #22
                Check that starter again, there's a .5mm black with green wire that runs to a ground terminal on the starter, when you hit the key, it disables your unloader relays until you let off. These relays power the sunroof, mirrors, windows, etc. I'm willing to bet that your problem lies in that area.

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                • dreamchasin
                  No R3VLimiter
                  • Feb 2009
                  • 3890

                  #23
                  Yeah I mentioned that to him and he said he has it on so can't be that.


                  90 325is alpine2 m50b25 becoming a dorifto car.

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                  • TurboJake
                    No R3VLimiter
                    • Oct 2010
                    • 3780

                    #24
                    Originally posted by dreamchasin
                    It's not the starter. There is a positive wire touching a ground somewhere making the engine ground put out 5v positive. He is going to trace all the wires and try to find it. We're hoping it's that, but would surely explain it.
                    That sir, will explain a lot.
                    Start pulling fuses until that 5v on ground goes away, then you'll know the circuit to look on.

                    If it doesn't go away. That's gonna be FUN to hunt down.

                    And yeah, the M20 starter only has two wires to it. Constant 12v 4g, and the ignition signal wire.

                    God. This probably would've been done days ago if i was down there....


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                    • dreamchasin
                      No R3VLimiter
                      • Feb 2009
                      • 3890

                      #25
                      Originally posted by TurboJake
                      That sir, will explain a lot.
                      Start pulling fuses until that 5v on ground goes away, then you'll know the circuit to look on.

                      If it doesn't go away. That's gonna be FUN to hunt down.

                      And yeah, the M20 starter only has two wires to it. Constant 12v 4g, and the ignition signal wire.

                      God. This probably would've been done days ago if i was down there....
                      Believe me, I wish it were done, I have been out of the e30 for a long time now because of this stupid heat and electrical.


                      90 325is alpine2 m50b25 becoming a dorifto car.

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                      • ForcedFirebird
                        R3V OG
                        • Feb 2007
                        • 8300

                        #26
                        Originally posted by TurboJake
                        That sir, will explain a lot.
                        Start pulling fuses until that 5v on ground goes away, then you'll know the circuit to look on.

                        If it doesn't go away. That's gonna be FUN to hunt down.

                        And yeah, the M20 starter only has two wires to it. Constant 12v 4g, and the ignition signal wire.

                        God. This probably would've been done days ago if i was down there....
                        Some years have more wires on the starter. The late model has a small ground, small start signal, two large power wires and the ground to the starter case. IF the two small wires are reversed you get no start and 5v on the ground, but that doesn't explain the other things not working.
                        john@m20guru.com
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