Belarus MTZ50 Tractor How Tot Wire Alternator: Belarus  -- Other Tractor Brands Discussion Forum and Review Belarus MTZ50 Tractor How Tot Wire Alternator: Belarus -- Other Tractor Brands Discussion Forum

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 08-27-2012, 14:53 Post: 184745
stevie



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 Belarus MTZ50 Tractor How Tot Wire Alternator

Just tried to wire up my alternator on my 1978 belarus mtz50.
3 wires to the outside of it where ate off by cows! connected the heaviest wire to the biggest terminal which has 12v through it when the grounding switch is on. The smallest wire is an earth wire which also comes from a black box mounted to the power steering at the front(relay i think) which i put to the top terminal. The next wire has 12v running through it when grounding switch is on and then drops to about 2v when connented to the bottom terminal of the alternator. When tractor is running, power remains the same at these points but power is then output out of the 2 small wires toward the engine side of the alternator then toward the regulator in font of the windscreen. This alternates from 3.4 to 6 or so volts each. The charging light goes out but the battery is not charging. Looked online and saw something about a jumper wire, so tried a jumper wire from the constant 12v to the switching wire on bottom terminal. Worked well, everything charging as it should, ampmeter in dash going up full no promblem, went round to check the wiring at alternator and it had got very, very hot!! Turned all off and am now back to scratching my head! Sorry for going on and on but any help would be very greatful or maybe a wiring diagram would help. Thanks all.






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 08-30-2012, 07:30 Post: 184761
auerbach



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 Belarus MTZ50 Tractor How Tot Wire Alternator

I'd try to find another owner of that model, and prevail upon him to provide a description, photo, or visit. There may well be no English documentation for a Belarus.






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Discussion Boards > Active Subjects > Messages as Posted > Belarus Forum

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