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Problems with MPEM

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Tbrots92

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Hello, I’m a newbie to the forums. I just bought two 1996 Sea-doo Bombardiers and seem to be having trouble with the MPEM. I keep blowing the 5 amp fuse and have read from these forums that normally indicates problems with the MPEM. I also PM’ed All Things Custom as recommended in another thread. Since that PM I moved the MPEM from the one Jet Ski that was working over to the other that was blowing the fuse. I could not get it to start but I did get the lights to flash on indicating that the switch was finally receiving current. However, when I reinstalled the good MPEM into the other Jet Ski that was working it would not start. The lights would flash with one long beep. I now have two Jet Skis that I cannot get started. I am not sure if I somehow ruined the good MPEM or if I just did not reinstall it correctly. I read somewhere that lanyards need to be reprogrammed so I’m wondering if that is one of my issues.

I’m hoping someone here could help me troubleshoot this problem. I think it is the MPEM but I am confused why the good MPEM would not work when I switched it over to the Jet Ski that was not working. I’m even more confused why I could not get the good Jet Ski to work when I reinstall the good MPEM. Any help or advice would be greatly appreciated.
 
lanyards...

I hope you had the batteries disconnected before you did all this.

The one long beep signals that your mpem doesn't recognize your lanyard. You may have confused your lanyards up.

Push the start/stop button 5 timed, you'll hear two beeps. Put the lanyard on and try to start. If there is no start, you should get more beeps. Count them and come back to repost...
 
Seadoosnipe, thanks for the prompt response. No, I did not disconnect the battery. I’m guessing that means I may have fried the other MPEM? However, I did count the beeps and heard two beeps after performing your test. Normally I’m pretty good at figuring out mechanical problems but this electronic stuff is all new to me.
 
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