Sounds like the M-Prop valve that was changed ,It is plug and play CAV…If he has a constant warning light without the engine running that should be a simple fix as it is deffo electrical ,so loom or sensor
Sounds like the M-Prop valve that was changed ,It is plug and play CAV…If he has a constant warning light without the engine running that should be a simple fix as it is deffo electrical ,so loom or sensor