Box to control idle speed?

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I have heard of a company producing idle boxes that will increase the idle speed. What I need is a box that will decrease the idle speed. I have moved the stop and got no change. I thought about a resistor on the TPS, but the Cummins guy said the ECM would overide. I'm not sure how, but he ought to know better than me. My hay throwers have to almost jog beside the truck in order to keep up. Needless to say they want the truck slower! I wish I had 4x4 capabilities so I could put it in 4 low. The truck idles about 780 RPM which is supposed to be normal. Too bad they don't put the programmable ECM in these trucks like they do in the big trucks. Anybody have any suggestions on how to slow the idle down?

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'99 3500HD flatbed, 5 spd 4:10 Posi, homebuilt underbody toolboxes & cowcatcher, 4" straight stack, K&N filter, what silencer ring? mudgrips, bomb accessories on the way!

 

[Archive]

Try towing a couple of p****s*****s behind it??? Use them as trailers to load more per trip????? #ad
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\\BF//

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"Drifty" y2k SLT L. E. 2500QC/SWB/5sp/3. 54LSD/bed spray/camper @ tow/fogs as DRL's/3rd Brake flasher/hr mtr/altr isolator(diode)/Mag-Hytec & Ball valve oil drain/CB/25. 5k hitch/NO muffler&resonator(STOLEN?)-3" replacement w/chrome tip/Nerf bars/E-Brake/etc.

Not Stroking, BUT, RAMming it Home! \\BF//

[This message has been edited by Ben Stair (edited 03-31-2000). ]

 

[Archive]

I've got an electronic engine idler out of Diesel Services out of Canada. Works great push a button and bumps idle to whatever you want it to be. GMD

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85,000Miles!

Yes 'mam it is a rolling office/bedroom/pickup/stinkpot/the best truck ever made!

1998. 4 4x4 Quad Cab 2500. 285/75/16 White w/gray trim. TST#8 plate. Limo tint, Whistler hidden radar built into overhead dash, Combo toolbox/41gal tank, electric start, Lund Grill Covers, Electronic Idler, scotty's air intake, and more to come.