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You’ll basically be removing the circuit board and connecting the solenoids as they are in a PCB box without the circuit board. Simplistically, each solenoid is controlled from each dash switch. One for dash power and one for starter engagement. You’ll want solenoids that are rated for 24V...

The small circuit board is there to prevent starter re-engagement on an already running engine. It looks at either AC output of the alternator or feed from an oil pressure switch. It can be eliminated. I’ll have to look at the schematic to do so. Give me a short amount of time, if listed in...

Best to only delete the PCB starter solenoid if you have upgraded to a modern starter which contains an external relay upon itself, pictured below. Dash starter switches are typically not rated for starter solenoid power. They can and will do it, but question would become for how long. I...

The military does not over-engineer everything. A lot of this stuff is lowest bidder which meets spec. In this case, they simply carried forward a decades old alternator design. Part of that design uses an external reference for battery voltage to determine alternator voltage output via the...

The diodes are likely just to suppress any flyback voltage spike when the solenoid is de-energized. They can act like a mini ignition coil. Best prevention steps is to switch to a civilian alternator so it does not over-volt, in addition to renew the PCB solenoids every 10 years. Both easy...

tobyS, I have several compact external 24V solenoids that are issued with our gear reduction starters (mounted directly to them). If you wanted to simply eliminate the starter solenoid in the PCB, you would mount this relay on your starter or elsewhere, and then go direct from dash switch to...

Yours may be neutral safety switch. Try going in and out of neutral next time it does it?

On/off 5 times and front tire a$$ rash are awesome posts! Plus, not being able to add, means you just made the friend list.

How do you have > $300 into it? Did you stop by the strip club on the way to get the solenoids?

PCB’s with a circuit board have starter re-engagement protection, they prohibit the starter to be engaged if the engine is already running. This is typically monitored via an AC output from the alternator or oil pressure signal. Best PCB jumper is a dead PCB box. Cut the connector out, and...