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Latest PCB's just received. Populated one and tested it in one of my 831's. Couple of firmware tweeks to do to perfect performace, but looking good!

I just repaired a Duromax 8K gas unit. - AC power switch was melted and fused. AC breaker failed to trip - Choke linkage had fallen apart - Fuel gauge leaking gas I'd suggest being careful not to push a Duromax near it's current limit.

Kinda... It's covered in the -10 TM Frequency Adjust Control Adjusting the frequency is actually adjusting the engine RPM to ~1800 RPM

Congrats! Be sure to adjust the frequency output. The video showed it was around 56 Hz.

According to TB 9-6115-641-13 it's... nsn: 6115-01-476-8973

S1 wiring details..

It is.

Yes - leave the pre-installed jumper on the new switch. You just need to hook the wires back up to the respective terminals and move the diode assembly from the old switch to the new switch. No additional jumpers are required. I have that exact switch in my spares kit.

BobbyT, The latest version is in production at the PCB house now. Planning on being able to ship units in a week or two. BTW - Nice Jeep! I have a YJ on Tons with 43" SX stickies, Love wheeling it!

Another mod you may want to do is to add lighting to the three gauges with the red plastic plugs in them. See... https://www.steelsoldiers.com/showthread.php?152783-MEP-802A-803A-gauge-lighting&highlight=light

Just measured mine. Look like 20 gauge AL.

First spin of the PCB version built. Tested in one of my 831A's. Success. Need to tweek some of the hole sizes and use a different terminal strip before ordering the next batch of PCB's.

1n5406 It's item # 21 in the Control Panel and Box Assembly figure in the -24P TM

A while back someone said a Auto Meter # 3262 would work. See https://www.steelsoldiers.com/showthread.php?126484-MEP-802a-Fuel-Sender-need-cross-reference-part-or-source/page2&highlight=3262

On my 802 there two wires on the ground post on the control panel door. They appear to be labelled: 100AW20 & 100L20 The ground port to the right of the A1 Regulator has two wires on it. The one that is the ground for the shield does not appear to be marked. It's a small white wire with a...

Yes, the replacement controller I'm working on will NOT have any pots. The entire assembly, except the terminal strip, will be urethane coated to keep moisture out. There are no need for any pots in this design since the microcontroller constantly reads the PMA frequency and directly controls...

TM 9-6115-639-13&P dated 20 APRIL 2010 shows all the connections to the inverter including which connectors and pins. See PDF pages 581-589 for wiring details. Also see: https://www.steelsoldiers.com/showthread.php?164142-MEP-831A-training-presentation-with-schematics

NATCAD.. cool.8) Nice to see there is some interest in this endeavor. Need to get in some more run time on the prototype before committing to ordering the pcb's and parts. 3D model of current PCB design. Pink strip is the terminal strip for the 9 wire connections from the 831A. Silkscreen...

The circuit I used does work using the PWM output of an Arduino. ( My initial breadboard version was Arduino based.) The PWM circuit is quite simple. It uses a TIP120 NPN Darlington Transistor, a 1 K ohm resistor and a couple of general purpose 1N4004 diodes. Be sure to heat sink the TIP120...

Actually my system for the 802 & 803 does not in any way influence the mechanical governor with my system. It only provides the ability to remote start an 802 or 803 and remotely monitor the engine and generator parameters. However... my prototype 831A SLC100 Governor Controller replacement...