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friends 98 v6 malibu has no spark.

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    #1

    friends 98 v6 malibu has no spark.

    New plugs, wires, coilpacks, no spark.

    I was wondering if anyone had a diagram of the power flow from cranking? Like the relays/sensors/fuses that the voltage goes through before getting to the coils?


    I'm wondering if its a bad cks or cas (if it has one), maybe a main relay, etc. Plus, I need to know which wires go to the coils, because the ones behind the ignition coils seem to have been touched (some black tape, maybe prespliced? Seemed like they were toggather though).

    Just trying to help him out and couldn't find any wiring diagrams
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    #2
    Cps
    Originally posted by Fusion
    If a car is the epitome of freedom, than an electric car is house arrest with your wife titty fucking your next door neighbor.
    The American Republic will endure until the day Congress discovers that it can bribe the public with the public's money. -Alexis de Tocqueville


    The Desire to Save Humanity is Always a False Front for the Urge to Rule it- H. L. Mencken

    Necessity is the plea for every infringement of human freedom. It is the argument of tyrants.
    William Pitt-

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      #3
      Those cars had a problem with the theft-deterrent killing the power to the engine at unusual times. Have you confirmed that its not the factory kill switch?

      Comment

        #4
        Originally posted by Bimmerista View Post
        Those cars had a problem with the theft-deterrent killing the power to the engine at unusual times. Have you confirmed that its not the factory kill switch?
        Grounds the coil i believe... I concur, check for a kill switch fault. If not, CPS is another good option. Also cap and rotor

        1987 BMW 325ic - Emma

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          #5
          Coil Module?

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            #6
            There is no cap and rotor, its electronic ignition..

            I am very unfimiliar w/ the car, is there more info on this killswitch?

            Comment

              #7
              Yeah prolly not that its not that common

              Coil pack grounds could be an issue as well
              Originally posted by Fusion
              If a car is the epitome of freedom, than an electric car is house arrest with your wife titty fucking your next door neighbor.
              The American Republic will endure until the day Congress discovers that it can bribe the public with the public's money. -Alexis de Tocqueville


              The Desire to Save Humanity is Always a False Front for the Urge to Rule it- H. L. Mencken

              Necessity is the plea for every infringement of human freedom. It is the argument of tyrants.
              William Pitt-

              Comment

                #8
                do you have injector pulse?

                if yes, I'd lean twards ignition module

                if no, I'd say CPS or your Passlock anti-theft is screwy
                1989 cirrisblau-metallic 325i

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                  #9
                  IIRC ignition module creates a no fuel situation which would be your injector pulse IIRC that is
                  Originally posted by Fusion
                  If a car is the epitome of freedom, than an electric car is house arrest with your wife titty fucking your next door neighbor.
                  The American Republic will endure until the day Congress discovers that it can bribe the public with the public's money. -Alexis de Tocqueville


                  The Desire to Save Humanity is Always a False Front for the Urge to Rule it- H. L. Mencken

                  Necessity is the plea for every infringement of human freedom. It is the argument of tyrants.
                  William Pitt-

                  Comment

                    #10
                    Replaced crank sensor I have no spark. Double checked firing order and its good.

                    How and where would I bypass the anti theft system?

                    Fuel pump relay clicks multiple times like once every few seconds with key on accessory.

                    Comment

                      #11
                      9 times out of 10 on the Chevy 3.1, 3.4, and 3.8, A lack of spark is thanks to either the anti-theft system or the ignition control module itself.

                      Take off all the coils, take that bastard off, and take it into an advanced auto parts to get it tested.


                      Leave Me Transaction Feedback

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                        #12
                        The ignition control module is new.

                        If the antitheft was being a pain, would it allow crank but no start? My experience w/ alarms is they wouldn't even allow the car to crank. If so, how would I test this system/bypass

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