Register now to get rid of these ads!

Msd Ignition no spark problem

Discussion in 'The Hokey Ass Message Board' started by Razorshotrods, Jul 17, 2009.

  1. Razorshotrods
    Joined: Jul 28, 2008
    Posts: 346

    Razorshotrods
    Member
    from Phoenix

    Hey Guys, i spent all f---ing day trying to fidure this out. I have a 55 chevy 2nd series, small block 350. I installed the haywire wiring and have a msd distributor and master blaster 2 coil. i have the 3 wires from the dist. green, brown, and red. i have the brown to ground, green to negative side of coil and positive to ballist resistor on the same end as the ballist wire from ignition to resistor. I have on the other end of resistor a wire to positive side of soil.
    I cant get spark, i bought a new coil still nothing, i tried red wire to positive side of coil and still nothing. WTF am I missing?
     
  2. Da Tinman
    Joined: Dec 29, 2005
    Posts: 4,226

    Da Tinman
    Member

    take out the ballast resistor, MSD needs 12 volts. Start there, let us know what happens
     
  3. Go the MSD web site, they have a very good trouble shooting page for all of their products.
     
  4. Razorshotrods
    Joined: Jul 28, 2008
    Posts: 346

    Razorshotrods
    Member
    from Phoenix

    then where do i put the wire from ignition to ballist? went to MSD web and didnt help, still no spark, we tried jumoing the ballist with no luck. do i put the red wire to positive on coil and green to negative on coil and brown to ground?
     

  5. Da Tinman
    Joined: Dec 29, 2005
    Posts: 4,226

    Da Tinman
    Member

    red should have 12 volts only when ignition is on, green is coil hot, brown is neg, (I Think!)
     
  6. 35fordrat
    Joined: Apr 15, 2009
    Posts: 103

    35fordrat
    Member

    Green is negative side of coil...Red is positive side of coil....Brown is grounded. Remove the resistor for testing purposes. Your tach wire should br connected to the negative side of the coill...Be sure that this wire is wired correctly to the back of your tach. Be sure your tach wire is not grounded out by chance. If it is, It will instantly turn your coil to shit...Hope this helps ya..

    You should also have a wire that supplies 12 volts to the coil positive side when the ignition switch is on...
     
  7. Da Tinman
    Joined: Dec 29, 2005
    Posts: 4,226

    Da Tinman
    Member

    yep your right, I've never used just the dizzy, always run the box too
     
  8. bobwop
    Joined: Jan 13, 2008
    Posts: 6,095

    bobwop
    ALLIANCE MEMBER

    make certain you have a fully charged battery. not much tolerance for low voltage with MSD
     
  9. Razorshotrods
    Joined: Jul 28, 2008
    Posts: 346

    Razorshotrods
    Member
    from Phoenix

    thanks guys will try sat and see....
     
  10. ken1939
    Joined: Jul 5, 2008
    Posts: 1,558

    ken1939

    Make sure you have:

    1. Good battery, more important good grounding with the negative term and engine block.

    2. Good 12 Volts to the coil. If this is the electronic dist set up, ditch the ceramics.

    3. Hook the wires up as directed. Mine was black to ground, red to hot side of coil and orange to negative side. It also needed to use the hook up kit that came with the dist.

    4. Recheck your spark with key on, coil wire out should be 12volts.

    5. Ensure timing is on so things will come to life.

    I had to replace a bad MSD dist and went to the hei type coil, ditching the blaster.

    Hope this helps.
     

Share This Page

Register now to get rid of these ads!

Archive

Copyright © 1995-2020 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. Terms of Service. Privacy Policy.

Atomic Industry
Forum software by XenForo™ ©2010-2014 XenForo Ltd.