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Car try's to start as soon as I put the battery in with no key.

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    #1

    Car try's to start as soon as I put the battery in with no key.

    Hey guys I've been putting my m20 back together and I've run into an issue. When I try and put the battery in the car it sparks and it sounds like the starter is kicking on. Is it possible the starter is wired wrong I took a picture I put both the thick red wire from the harness and the thick black wire from the fire wall on the big post is this right? Also I took a photo of the power block too I need to get this thing done so any help is appreciated


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    88 325is Five Speed
    Lachssilber
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    #2
    so i went out and unhooked the two big wires and this time the battery at least didn't short I'm still really confused i thought both thick wires were supposed to go on the big post
    88 325is Five Speed
    Lachssilber

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      #3
      With the wires off and the batt connected I'd check the polarity of each. Usually red and black are opposites.
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        #4
        Fixed it, power was arcing from the two big wires to the 8 mm wire, if this happens to you bend the two big wires forward a bit for clearance


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        88 325is Five Speed
        Lachssilber

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          #5
          Great! I believe both big wires do go on the big post. That's how mine is too. What'd you end up doing with them?


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            #6
            Originally posted by E30DriftMissile View Post
            Great! I believe both big wires do go on the big post. That's how mine is too. What'd you end up doing with them?


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            Bending them slightly toward the front of the car seemed to work


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            88 325is Five Speed
            Lachssilber

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              #7
              Ah gotcha so you left them on the same post


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