Rotax 503 Ignition
Hugh R. Acosta Jr.
Retired Air Force
by Bill Hertzel » 5 years ago
How you WANT it to operate is how it is SUPPOSED to Operate.
Something is wrong with the wiring.
Each BLK/YEL wire should be connected to its own switch and then to ground.
No part of either circuit should be connected to the other.
It sounds like the BLK/YEL wires are connected together at some point.
See page 9-7 of the Operators Manual.
https://www.rotax-owner.com/en/support-topmenu/engine-manuals#447-and-503-engines
Bill Hertzel
Rotax 912is
North Ridgeville, OH, USA
Clicking the "Thank You" is Always Appreciated by Everyone.
by Hugh R Acosta » 4 years ago
It has been a long time to respond due to so much going on this year. But you are right and I have a bad trigger. Now I will post another question to the forum in a new post.
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