First time user and tractor owner. I purchased a B7100 D750. Its hard to start even when turning the ignition switch to preheat the glow plugs. The person I purchased it from stated he's not sure the battery is the right size. When I jump it with my truck, it still has to crank 30 seconds or more to start. The glow plug indicator warms up but never glows. I tested the glow plugs by the ohm meter route and it test good. Could the problem be with the controller? or the indicator? Or can the glow plugs be worn enough to test good but be bad? Sorry for so many questions but i'm trying to learn this thing. I dont have a maintenance or owners manual. I would appreciate any and all advice you might have.
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