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Old 11-24-2008, 04:48 PM   #1 (permalink)
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Low-Speed Cruise Control?

I've got a FL-112 Freightliner with an M11 Cummins that's being converted to a sprayer. I'd like to be able to run a steady speed down around 10-15 mph, but the cruise control won't activate under 30mph. Is there any way to hotwire it to work at slower speeds? The truck itself is REALLY low-geared, so it's 1500+ RPM, it just locks out the cruise control. If not, has anyone adapted the do-it-yourself AIC to work on one of these?
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Old 11-24-2008, 06:06 PM   #2 (permalink)
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Can't you crank up the idle manually (or with a switch)?

If so just do that.
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1996 F-250 extended cab long box five speed. Home made Tymar, 203 Stat, 60 gal in bed fuel cell, 315/75's, no muffler, ebpv welded open 3" to 3" DP, Babies. 290K, still chugging, and still smoking when cold.

UPDATED 1/1/09 Replace so far. 1 LUK flywheel+clutch, 2 thermostats, 2 set of brakes, 1 set of calipers, 5 CPS, 3 sets of tires, 2 Transfer pumps, 1 Injector modual, 1 Computer, 2 Alt, 2 sets of batteries, 1 Water pump, 6 Belts, 1 PS hose, 2 Sets ball joints, 2 set u-joints, 2 carrier bearing, 2 Speed sensors, 1 oil pres sender, 1 temp sender, 4 sets of e-break cables, 1 front fuel tank, 2 rear fuel tanks, 2 set of glow plugs, 7 Glow plug relays, Oil galley o-rings, Turbo pedistal o-rings, EBPV o-rings, 3 sets of Injector O-rings, 1 Vac-pump, 1 new carpet, 1 total paint job.Total $$$ in repairs v/s miles driven = 4.6 cents per mile. Add fuel to that it jumps to 16.5 cents per mile over the life of the truck.
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Old 11-25-2008, 10:49 AM   #3 (permalink)
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It does have an idle control, but it only goes to about 11-1200. I'm thinking I can replace the linear controller it's wired to with a dial rheostat with more range, and get what I'm after.
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