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1G Rebuild engine, won’t turn over.

Posted by Caleb4G63, Aug 2, 2017

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  1. Caleb4G63

    Caleb4G63 Probationary Member

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    Joined Jul 23, 2016
    Boise, Idaho
    So, I rebuilt my engine, when I pulled it, it ran fine besides the engine having less than 80psi compression. Getting to he point, when I turn the key to the on position, I get dash lights, can use blinkers, but I can not use hazards, or turn on any interior lights or headlamps. Tail lamps do not work either. When I go to turn it over, all that happens is the fuel pump goes on, and nothing else. No starter click or anything.
     

    Autocross Build 2K  0

    1991 Mitsubishi Eclipse GSX
    manual · 1G DSM
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  2. pauleyman

    pauleyman DSM Wiseman

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    oklahoma city, Oklahoma
    You have an obvious electrical problem. Charge the battery. Check your grounds.
     

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    1990TSIAWDTALON likes this.
  3. joemamma

    joemamma Proven Member

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    williston, North Dakota
    +2 electrical issues get a manual with a wiring schematic
     

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  4. Jay 97 GSX

    Jay 97 GSX Proven Member

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    Joined Jul 11, 2017
    Joliet, Illinois
    make sure all your connectors are plugged in
     
  5. boostdawd

    boostdawd Supporting Member

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    phoenix, Arizona
    Probably forgot to connect some grounds. Go through your wiring and triple check everything.
     

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    1997 Eagle Talon TSi AWD
    awd · automatic · 2G DSM

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    manual · 1G DSM
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  6. Caleb4G63

    Caleb4G63 Probationary Member

    21
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    Joined Jul 23, 2016
    Boise, Idaho
    Okay, I fixed most of it, it was the alternator fuse, but the starter still doesn’t kick out or turn over, and the fuel pump only turns on when I hold the key in the start position.
     

    Autocross Build 2K  0

    1991 Mitsubishi Eclipse GSX
    manual · 1G DSM
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  7. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

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    Independence, Kansas
    The only time the pump will turn on is when you are trying to crank the car so that part is working correctly. Do you have the spade terminal on the starter so it see's the start signal? Double check your starter connections.
     

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  8. boostdawd

    boostdawd Supporting Member

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    Try to apply 12v to the starter. I'm sure u probably forgot to connect the spade connected that goes on the solenoid.
     

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    manual · 1G DSM
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  9. pauleyman

    pauleyman DSM Wiseman

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    oklahoma city, Oklahoma
    Something still isn't right. Fuel pump shouldnt turn on until motor moves. If starter didnt move motor didnt move.unless this car has a modified fuel pump circuit.
     

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    1997 Eagle Talon TSi AWD
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  10. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

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    Paul are you sure? I can be and probably am wrong, but I was under the impression that the ECU will throw the signal to the pump relay when the key is turned to start. Thanks for giving your expert advice, you've done DSM's a lot longer than me. :thumb:
     
    Last edited: Aug 2, 2017

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  11. Caleb4G63

    Caleb4G63 Probationary Member

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    Joined Jul 23, 2016
    Boise, Idaho
    Thank you guys for your help, it’s kicking out the starter, but not turning it now, was a loose connection. I am getting full power to the starter, tested it. I am going to pull it, and try and rebuild it with one of my many other starters.
     

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    1991 Mitsubishi Eclipse GSX
    manual · 1G DSM
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  12. ThunderChild

    ThunderChild Supporting VIP

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    Rathdrum, Idaho
    On 1gs, the fuel pump circuit is not turned on until the motor is turning. I believe the MAF is what triggers the ecu to tell the MFI relay to turn on.
     

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  13. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

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    Maybe the CAS then. My 90 only has that and I've ran (barely) with a maf not connected. Nice to exactly know for diagnosis. Thanks.
     

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