How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Steve Your Own Question
Steve
Steve, Motorcycle Mechanic
Category: Motorcycle
Satisfied Customers: 6855
Experience:  30+ yrs. experience, MMI, HD technician, HD early, engine rebuild/performance, bike builder, kit bike program manager, CCI 2001-2004
11090168
Type Your Motorcycle Question Here...
Steve is online now
A new question is answered every 9 seconds

1999 Harley trike no spark all fuses good. new coil new

Customer Question

1999 Harley trike no spark all fuses good. new coil new plugs wires and new crank sensor 1700 miles ago no codes. power at coil
Submitted: 11 months ago.
Category: Motorcycle
Expert:  Steve replied 11 months ago.

most of the failures that result in a no-spark condition result in diagnostic codes.

the only thing that results in a no spark condition and NO DTCs is a failed ECM.

this assumes all wiring is good, all fuses are good and all relays are good.

let me know if you need more help.

Steve