Question about Jcb Bruder JCB Loader Backhoe
I am trying to find why our Backhoe does moves forward in 4 th gear only.Revers has all 4 gears.
I do rebuild tranys for cars and light trucks,but I have no idea how backhoe works,my guess,it is electrical.I found a lot of manuals on line,but I am not sure which one I need.Could You advise me where I can find electrical diagrams and component locator,and would be very helpfull description how power train works.
Thank You in advance.And ,please,forgive my misspelings,English is my second language:)))
Michael Guris from Ottawa ,Canada
If the transmission is defaulted to 4TH gear and reverse and goes into gear harder than normal,along with no speedometer signal.These are all signs of power or ground problem. The transmission TCM should be mounted to the drivers side radiator shroud. We need to check the following pins on the gray connector. Pin 3 must have full time 12 volt power. Pins 1 and 5 must have good continuity to battery ground. Pins 2 and 4 should have 12 volts with the ignition in the run position. By re flashing the Allison TCM you ruled out a bad TCM they would have had problems flashing it.
Posted on Aug 01, 2010
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Posted on Jan 02, 2017
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