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CAT 279C two speed not functioning

92U 3406

Senior Member
Joined
Jan 3, 2017
Messages
3,157
Location
Western Canuckistan
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Wrench Bender
I've ran into this on the D's, possibly on a C as well since their interiors are very similar. There's a switch on one of the overhead consoles. Can't remember what its labled, Aux maybe? Anyways when its switched on, 2 speed gets disabled. Maybe try checking the switches on the consoles first.
 
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