Search results

  1. Y

    Crank, no spark. Need advice.

    Well tried with gap tester and nothing happened. Do I now assume its TB IV ignition
  2. Y

    Crank, no spark. Need advice.

    The flow chart says put a spark gap tester in the coil wire off distributor from coil. Am I supposed to use the G/W wire from HEI or the terminal on the sensor?
  3. Y

    Crank, no spark. Need advice.

    I did take the ignition sensor out. Didn't look good, but put back in. Does the spark gap test bypass the sensor?
  4. Y

    Crank, no spark. Need advice.

    Unless I an doing the gap test wrong, not getting spark. Have already changed coil. No freaking spark!!
  5. Y

    Crank, no spark. Need advice.

  6. Y

    Crank, no spark. Need advice.

    12V on W/R
  7. Y

    Crank, no spark. Need advice.

  8. Y

    Crank, no spark. Need advice.

    yes
  9. Y

    Crank, no spark. Need advice.

    So I checked for voltage on lead and had 12v.
  10. Y

    Crank, no spark. Need advice.

    Thanks Chris. I have tried undoing the shift interrupt off coil (takes that out of equation, no)? Will check the w/r on sensor in morning when at boat. I will probably go through the whole troubleshoot from start.
  11. Y

    Crank, no spark. Need advice.

    I agree but was getting 12v at coil.
  12. Y

    Crank, no spark. Need advice.

  13. Y

    Crank, no spark. Need advice.

    First time through had nothing happen. Will be back to boat Saturday and run through again.
  14. Y

    Crank, no spark. Need advice.

    HT lead from coil
  15. Y

    Crank, no spark. Need advice.

    On center post of distributor cap from coil.
  16. Y

    Crank, no spark. Need advice.

    yes 12 volts at coil
  17. Y

    Crank, no spark. Need advice.

    Seems to break down at coil. 12 volts there. When doing the spark gap test, using a spark plug, no spark.
  18. Y

    Crank, no spark. Need advice.

  19. Y

    Crank, no spark. Need advice.

    Thanks again. So chart says if no spark change Thunderbolt IV ignition, but have read (Don) says change distributor and rewire and never deal with Thunderbolt again. Didnt sound difficult when I read that. What would you do? I am going to rewire tach (change grounded wire that was burnt) and try...
  20. Y

    Crank, no spark. Need advice.

    Thanks for the response. I followed flow chart a couple days ago and still had no spark. I saw a post earlier about changing from Thunderbolt to a different distributor system.
Top