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Massey Ferguson 3660 electronic problems when hydrolic indicator light comes on the pto and other electronics will not work?
Wiki User
∙ 11y ago
Had the same problem with a MF 3660. Pressure always shows O.K. on gauge even when low pressure warning light comes on. Green wire going into the ETCU mainboard, the one with the 2 screws holding the male connetor to the mainboard is the source of the loose connection causing intermittent on off of the low pressure warning light. This causes the autotronic to disconnect the low pressure clutch packs (p.t.o. and M.P. as well as main range selector. Wingling the connector at the mainboard sometimes corrects the issue but usually only for a short time. The cure is to remove the 2 mini screws that hold the male conector to the mainboard and jently pry the multi pronged connector from the eproxy mainboard.Once removed gently sqweeze and retaper the male prongs using a vise grip. This will taper the prongs so that they form a tighter wedge as they reenter the epoxy board. Worked for me and saved a few grand for a mainboard replacement.
Wiki User
∙ 11y ago
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