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Alberta | Speed sensors are transmission output speed/ground speed. but not necessary for controller operation just speed readout on dash.
Bottom clutch switch is a pressure switch that goes open when the the foot clutch is pressed in almost all the way, it closes as you release the pedal and the pressure builds up in the clutch hydraulic circuit. It also is open when there is no trans input speed (no oil pumping). I used that (T77,T78)circuit to deactivate the 'hold' relay (which keeps the T53,T54 circuits engaged).
You are talking about the "high cost" of some of the parts. They all seem reasonable considering what it will do in the end. Factory controllers are in the thousands, though not even available anymore for the 4994. I think it's going to be labour that will be the cost factor.
Do you program it with your PC? | |
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For Case 4994 owners, "Twin Disc" transmission controller solutions
