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Thanks Guyfang! I assume the troubleshooting points to it since you didn't comment on it? Just wana make sure im not searching so hard for something that isnt bad :)

Thank you very much!!!

Can someone please chime in. There has to be somewhere that has these in stock. Any help is greatly appreciated.

So the unit was running and then suddenly it shut down. No black smoke on crank so i figured its a no fuel issue. Ive troubleshot it but maybe im missing something. Here is everything i did. - checked the mpu, getting 3.004 ish volts on crank. - There is power coming from the Governor to the...

Thank you for all the help finally got it running but after a few hours have a new issue. Seems like my governor actuator is burnt/out, where could I find a replacement. Cant seem to find one online. Maybe its just me but can anyone tell me where I can find one?

Here are the results of the A1 and pot tests... h. range is 4 to 12 vdc, I'm getting 11.2 volts j. range is 110 to 160 VAC, I'm getting 158 VAC I. it says I should get no more than 2 ohms at full CCW position however mine goes no lower than 4 to 5 ohms. Ohms increases rather smoothly however...

Guyfang thank you for jumping in. Sorry stupid question, how do i reset? Below I will post the results of the test of A1 and the voltage pot seperately.

Just realized didnt answer the first part, it is not "known" to be good. It may very well be the culprit. Thanks for all your help. I will report results of the test later on today.

I have the TM just not sure what the -24 is. I plan to do the voltage regulator tests today. I will report the results.

Great, any ideas how i proceed?

Thanks. Here it is. Red, black, gold, gold.

Side note, the transformer was preinstalled, so thats what i used to verify that its a trc vs the libby.

Yes i verified with a chart i found online. 20k ohms potentiometer, TRC transformer, i guess i havent verified the R16 resistor. Am next to it now, how would i tell?

The set is new to me. I received it without the A1 voltage regulator. It is the TRC model btw.

Hi. First off I want to say that this site is amazing and I found a wealth of information on here so thank you everyone for that. I have a MEP-804B built in 2010. Upon start it gives over voltage error and shuts down. With the A1 completely disconnected it runs fine with the under voltage light...

Of course. thanks!

Hi. What was the final resolution to this? I have a 2010 built MEP-804B with the MWO. I get overvoltage light instantly and it shuts off. Is it for sure A1 or should I also be looking elsewhere before ordering a replacement? Any steps for determining if A1 is bad?