Another Hot Starting Problem | FerrariChat

Another Hot Starting Problem

Discussion in 'Mondial' started by ssrealty, Mar 29, 2014.

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  1. ssrealty

    ssrealty Formula Junior

    Sep 12, 2010
    325
    Austin, TX
    Full Name:
    Chris Warren
    Well, I thought my hot starting problems were over. Today, my car would not start after pumping gas. I waited about 10 minutes, removed and replaced two relays, and car finally started again. When you turn key, starter would not engage.

    If you recall, my fuel pump connecter failed on the way back from Mondipalooza last summer. I was stuck in Charlotte, NC. We replaced fuse box and connections, and I drove back to Austin with no issues.

    Several months later, I installed the Dave Helms new fuse box kit and replaced all relay switches with new ones. I have had no starting problems since. However, I have noticed a small delay when turning key before starter would kick in. But it always started until today.

    This has been a three year long problem. I also bypassed the ground switch. Any suggestions.

    I still keep my grill removed and towing hook in place.........just in case. AAA has towed the Ferrari more than any car I have ever owned....
     
  2. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
    Lifetime Rossa

    Jan 11, 2001
    26,839
    30°30'40" N 97°35'41" W (Texas)
    Full Name:
    Steve Magnusson
    Do you mean:

    1. the starter motor solenoid did not engage (and starter motor did not spin), or

    2. the starter motor did spin the crankshaft, but the engine didn't fire up?
     
  3. ssrealty

    ssrealty Formula Junior

    Sep 12, 2010
    325
    Austin, TX
    Full Name:
    Chris Warren
    The starter will not engage and or start. The starter motor is not spinning the engine or crankshaft. Turn the key, and you get a single click sound.
     
  4. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
    Lifetime Rossa

    Jan 11, 2001
    26,839
    30°30'40" N 97°35'41" W (Texas)
    Full Name:
    Steve Magnusson
    Is it a loud click from the starter solenoid, or a soft click from a relay in the relay panel? (only consider "clicks" when moving the key from pos II to pos III -- do not include any clicks going from off to pos II)
     
  5. ssrealty

    ssrealty Formula Junior

    Sep 12, 2010
    325
    Austin, TX
    Full Name:
    Chris Warren
    When you fully turn the key to engage starter (I assume pos III), you will hear a very light click noise, and the starter does not engage. If starter works properly, then it starts and there is no click sound. It sounds similar to an old car that has a poor battery connection. But the battery is not old, the ground strap was removed, and only recently did we do work with the fuse box and battery connections.

    I have had this intermittent starting problem for over three years and 13,000+ miles. I assumed the new fuse box and Dave Helms kit would solve the starting problems. I know I had burned connections for starter/relay, and the upgrade kit I was hoping would permanently resolve the starting issue.
     
  6. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
    Lifetime Rossa

    Jan 11, 2001
    26,839
    30°30'40" N 97°35'41" W (Texas)
    Full Name:
    Steve Magnusson
    #6 Steve Magnusson, Mar 29, 2014
    Last edited: Mar 29, 2014
    No, your model's schematic shows that (other than conveying +12V power to the ignition switch) the fuse-relay panel is not involved in the food chain from the ignition switch to terminal 50 on the starter solenoid. You do have connector C3 on the LH side of the engine bay, and that would be my first suspect and the first/easiest place to make a measurement (and just unplug/visually inspect/reseat):

    With everything connected, if the voltage on the white wire in the C3 connector goes to something like +7~8V with the key in pos III (start), but the starter solenoid does not engage strongly/loudly = either a bad connection at the starter solenoid or a bad solenoid.

    With everything connected, if the voltage on the white wire in the C3 connector is very low (like a few volts or less) with the key in pos III = probably an ignition switch problem (but definitely something upstream of the starter assembly itself).

    If you do a search on "starter terminal white wire", that should get you some general prior reference threads. Good Hunting! (Assumes that you've already made sure that all the primary battery power connections are in tip-top shape, and the headlights work well when you have the "no start" situation.)
     

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