The code is welded 1a tips ,bad transistor
Or 1a tips burnt check the 1a contact see if it is stuck the evt5ps is for steering the evt15
Is your drive oscillator card and the one standing up with screws and several adjustable pots is
your card for hyd solenoids for reach etc Clark used a few different controls in those depending on serial number
If all check ok it could also be card
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