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MGL E1 Rpm issue
I have installed an mgl e1 engine monitoring gauge and it is outputting the rpm way higher than what it is. I’m comparing it to a tiny tach. It’s pretty obvious that the mgl unit is wrong. Tiny tach says 3000 and mgl says 4000...mgl says 9000 and tiny tach says 5000 for example. Mgl said to adjust the rpm sensitivity put that doesn’t change anything. I have verified the wiring is correct and grounded as per the manual. Also settings are correct per manual and mgl. It’s on a rotax 582. Do you guys have any ideas for me to try?
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Re: MGL E1 Rpm issue
You also have to set the rpm for the number of pulses the instrument reads. The sensitivity setting will just make the reading more stable. JImChuk
PS I also remembered that I got a resister with mine, and it was for a Rotax installation. I don't remember if that was for a 912 or 582 or both though and don't have the manual handy.
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Re: MGL E1 Rpm issue
I had to add a resistor to my Dynon Skyview rpm sensor wire.
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Re: MGL E1 Rpm issue
I have the MGL E3 2 1/4" single that gives the correct RPMs. Will check my install setup and can provide next week.
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Re: MGL E1 Rpm issue
https://legacy.rotaxowner.com/si_tb_...info/5ul90.pdf
I found this service letter about the grey tach wire. Does anybody think this could be it?
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Re: MGL E1 Rpm issue
Think I figured it out. It was the connector on the e1 that was the problem.