Quote:
Originally Posted by bushpilot
BOB - makes me wonder....
Ive got a "option" switch on my dash that I've NEVER been able to figure out what its for....
its NOT for the engine fan, and damn if i can find anything that it operates.
Ive got another option switch on the dash that works some "reverse" lights on the coach, so its not that.
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That's the switch United Specialties used on mine. It's down there on the lower left of the dash. I also have that extra backup light switch. The "option" switch is right next to that. I think if you are plugged in to shore power and stick a volt meter on the chassis batteries and see if that voltage matches the house battery voltage. Then switch that "option" switch and see if the voltage now matches the house battery voltage. That's how mine works anyhow.
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'03 Freightliner FL112, 295" wheel base, with '03 United Specialties 26' living quarters, single screw, Cat C12 430 h/p 1650 torque, Eaton 10speed , 3.42 rear axle ratio
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