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VTS Bypass Nighmare

madandjon

New Member
For context: I have a 1996 Sea-Doo XP 787 that I bought last week for $250 and have been fixing up.


So I decided to bypass the VTS module since it was dead and go with the relay trim fix that gets posted around here. Bad idea — or at least bad execution on my part.


I cut the wires coming out of the VTS housing thinking I could just splice everything back into the relay setup. What I didn't realize is that some of those wires are tied into the main electrical system and not just the VTS motor. When I cut them all at once the bare ends touched and popped a fuse. I replaced the fuse, reconnected every wire carefully, but now the ski won't start at all.


Before I cut anything the ski was running great. Now I get power to the MPEM, it clicks normally on key in and 30 seconds after, but there is zero voltage on the yellow/red trigger wire going to the solenoid when pressing the start button. I can still crank the engine by jumping the solenoid directly so the starter and battery are fine.


I've checked every fuse in the front box and rear box — all good. Grounds are solid.


Has anyone dealt with this before? Could cutting those VTS wires have damaged something beyond just blowing the fuse? Any help appreciated.
 
It was a bad idea to cut any wires, you could have simply unplugged the VTS and bundled up the loose wires in the hull. While this isn't the wiring diagram to the 96 XP, I'm quite sure it is identical. I don't know which wires you cut but perhaps you can trace back what could be causing the problems. 1775246504579.png
 
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