It runs the Engine RPM's up to support a PTO, air compressor, or to compensate for a big electric draw (think ambulance or fire apparatus with lots of lights)
'08 F350 Super Snow Fighter
'03 F350 Super Snow Fighter
'99 F350 Super Duty
'12 Transit Connect Java Van
I don't get muddy, don't get dusty, don't pull trailers, but do play in the snow and ice.
Last edited by IB Tim; 12-03-2007 at 05:03 PM.