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My WM35 starts hard when it's cold (below 45 degrees). I pulled the glow plugs, ohmed them out, about 1.1 ohms each, and put 12 volts to each one and they heated up nice. Cleaned the bus bar and checked the voltage on the power wire which was 12 volts, however when the wire was connected to the bus bar I was only seeing about 9.5 volts. I assume the draw from the glow plugs when they're connected accounts for the lower voltage or am I missing something? The battery was new last year.

New Holland Workmaster 35 Hard starting
Parts and Repair
Replies 4 Post by haddockfish