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Thread: 89 turbo mini van ....no spark

  1. #1
    turbo addict
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    89 turbo mini van ....no spark

    I have a 89 turbo mini van that I installed a good used engine into.
    Everythings hooked up that i know of but it wont start.
    cranks fine
    gets fuel
    no electric out of the coil to the distributor.
    Turn the key, positive side of the coil lights up the test light.
    Bought a new coil just in case, but nothing changed.
    Tried two differant HEP's and no change.
    So any help or direction for me to solve this would be nice if you have time to answer.

    Johnny
    Great stuff for great cars! Poly engine mounts and bushings at: http://www.polybushings.com

  2. #2
    Slugmobile & MeanMini Caretaker Turbo Mopar Contributor wheming's Avatar
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    Re: 89 turbo mini van ....no spark

    Do you have a spare computer to try?

    Or do you have the diagnostics manual to follow the no-start troubleshooting?

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    Wayne H.

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  3. #3
    Supporting Member II Turbo Mopar Contributor 85lebaront2's Avatar
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    Re: 89 turbo mini van ....no spark

    Johnny, is the ASD staying engaged when cranking? If you have a spare distributor, you can use it connected to your engine harness and spin it with the key on to see what happens, ASD should close and coil trigger along with the injectors.
    "growing old is inevitable, growing up is optional"
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  4. #4
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    Re: 89 turbo mini van ....no spark

    ASD issue...humm. Will look at that.
    Great stuff for great cars! Poly engine mounts and bushings at: http://www.polybushings.com

  5. #5
    Rhymes with tortoise. Turbo Mopar Staff cordes's Avatar
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    Re: 89 turbo mini van ....no spark

    I had a similar problem with a car about two weeks ago. The distributor and the oil pump teeth were stripped. It would turn the dist enough that I thought it was working right, but if you watched it during cranking, you could see that it was slipping. I hope that's not your problem, but it's an easy one to check out.

  6. #6
    Moderator Turbo Mopar Staff Vigo's Avatar
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    Re: 89 turbo mini van ....no spark

    If ASD is turning on (coil + has power, injectors have power so it is) then distributor is turning. If distributor is turning at all it would trigger coil negative to ground, regardless of whether it was skipping teeth. It would still spark, just not in proper time. So considering that you have a computer powering up and receiving rpm signal and triggering ASD, it either has a bad coil driver or bad connection between coil driver and coil negative terminal. I'd backprobe coil negative circuit at pcm connector and look for flashing ground there while cranking. If nothing, replace computer.

    Dont push the red button.You hear me?

  7. #7
    turbo addict
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    Re: 89 turbo mini van ....no spark

    Coil Driver?

    Thank you all for the help!
    Great stuff for great cars! Poly engine mounts and bushings at: http://www.polybushings.com

  8. #8
    Supporting Member II Turbo Mopar Contributor
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    Re: 89 turbo mini van ....no spark

    Quote Originally Posted by Johnny View Post
    Coil Driver?

    Thank you all for the help!
    the coil driver is a chip on the power board inside the SMEC.
    Regards,
    Miles

    DD '87 Sundance T1, 12PSI, SLH with rear disks
    '87 CSX #432

  9. #9
    turbo addict
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    Re: 89 turbo mini van ....no spark

    Quote Originally Posted by chromguy View Post
    the coil driver is a chip on the power board inside the SMEC.
    Thank you!!!!
    Great stuff for great cars! Poly engine mounts and bushings at: http://www.polybushings.com

  10. #10
    Supporting Member II Turbo Mopar Contributor
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    Re: 89 turbo mini van ....no spark

    Johnny,
    For our stuff they typically look like
    https://en.wikipedia.org/wiki/TO-220
    Regards,
    Miles

    DD '87 Sundance T1, 12PSI, SLH with rear disks
    '87 CSX #432

  11. #11
    Supporting Member II Turbo Mopar Contributor 85lebaront2's Avatar
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    Re: 89 turbo mini van ....no spark

    I have a loose power board from a SMEC if you need it.
    "growing old is inevitable, growing up is optional"
    1986 Lebaron convertible to replace totalled 85
    1986 Ford F350 Crew Cab DRW
    1995 Lincoln Continental (project car)
    2011 Ford Flex Limited (wife's)

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