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1973 Dodge Dart Sport 340 cranks but will not start

By missmach1
Oct 28, 2008
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Not open for further replies.
  1. Our Dart has no fire at the coil. No power at distributor connection cranking off or on. There is power at the positive coil terminal. There is power at the ballast. The ballast, ignition module, coil have all been replaced. The electronic distributor has been removed and replaced with a Pertronix distributor wired directly to the coil. All wiring has been testing for continuity, there is no apparent problem, the car will not start it has no fire. It will not start in crank or on position. The car started and ran, started at least 10 times and ran for about an hour (for 20 minutes while breaking in the cam at 2,000 RPM.) The car was turned off and the temporary Holley carb. was replaced with the original thermo quad which is pumping fuel. The car never started again. Help anyone! All help is appreciated.
  2. zipperman

    zipperman TS Rookie Posts: 1,423   +7

    Try this

    Check your spark plugs distributor connections.
    6 cylinder is 1 5 3 6 2 4 .
    Check all filters.
    Try a new set of spark plug cables.
  3. missmach1

    missmach1 TS Rookie Topic Starter

    the car is an 8cycle 340. Thank you for your reply.
  4. zipperman

    zipperman TS Rookie Posts: 1,423   +7

    You Welcome

    Sounds like an ignition problem,why not get a Mechanics tune up ?
    ;)
  5. jobeard

    jobeard TS Ambassador Posts: 13,403   +314

    The keyed ignition switch has TWO terminals with power to the distributor;
    one for cranking, the other for run.

    Check the switch for power at both terminals
  6. CCT

    CCT TS Evangelist Posts: 3,556

  7. mopar man

    mopar man TechSpot Ambassador Posts: 1,492

    First, disconnect the Tach (if ones installed) and try turning it over. It can keep it negative. If that doesn't help, check the negative side of the Coil and have someone turn it over. If it stays negative the entire time, the pick-up in the Distributor is bad.
  8. megabomination

    megabomination TS Enthusiast Posts: 155

    A new coil can **** itself just like that!
  9. peacefulchaos

    peacefulchaos TS Rookie Posts: 53

    My car would crank but not start and it ended up being low compression in one of my cylinders. I won't go through the details because the thread looks dead.
  10. missmach1

    missmach1 TS Rookie Topic Starter

    Car refuses to start once more HELP please. Thank you so much

    1973 Dodge Dart Sport 340 cranks but will not start

    --------------------------------------------------------------------------------
    Our Dart has no fire at the coil. No power at distributor connection cranking off or on. There is power at the positive coil terminal. There is power at the ballast. The ballast, ignition module, coil have all been replaced. The electronic distributor has been removed and replaced with a Pertronix distributor wired directly to the coil. All wiring has been testing for continuity, there is no apparent problem, the car will not start it has no fire. It will not start in crank or on position. The car started and ran, started at least 10 times and ran for about an hour (for 20 minutes while breaking in the cam at 2,000 RPM.) The car was turned off and the temporary Holley carb. was replaced with the original thermo quad which is pumping fuel. The car never started again. Help anyone! All help is appreciated.
  11. familyman14

    familyman14 TS Enthusiast Posts: 184

     
  12. aosborne66

    aosborne66 TS Rookie

    no start dart

    Hi, Thought I would take a stab at it....I would recommend verifing the pick up is good on the Electronic distributor and put it back in. It sounds like you have an open circuit in the ignition wiring. I know that old mopars have problems with the connector at the firewall. Check it while checking all wires for continuity. Typically there are 5 wires in the ignition box. #1 goes to ballast (jumper side)on the 5 ohms- #3 goes to the ballast on the other side of the 5 ohm ballast, #2 goes to the coil negative side, #'s 4 and 5 go to the distributor pick up. The positive side wire From the coil goes to the .5 ohm( be careful .5 not 5)ballast(jumperside) and also it goes to the ignition switch- position 2, and the other side of the .5 side ballast goes ignition switch- position 1. Oh yeah, check body to battery and engine to battery grounds. If there are no grounds, you don't get it running. Let me know how it goes.
  13. mailpup

    mailpup TS Special Forces Posts: 8,426   +217

    Considering this thread is over 2.5 years old, you would think the OP has gotten the car started by now.
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