Hey all. I have a 1991 379 with a 3406b engine. I have factory cruise control that doesnt work. I tested the wires up to the switches and all was fine. I understand that cruise controls have switches on the pedals to turn the cruise off. Not sure what to look for or where it would be. I need some guidance as to where I should look next. Thank you.
3406b cruise control
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Coolbreezin, Nov 20, 2018.
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Here is a link to King cruise control, which may have been the OEM provider. This link should take you directly to the diagnostic section that they have. Perhaps this will help in diagnosing the problem.
Good luck.spsauerland and bumper Jack Thank this. -
I have a 90 Kenworth with a 3406b model and I would really like to add cruise control to it. Who makes a kit and can install it? Any suggestions or opinions are appreciated. Thank you.
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Is it a PEEC or true mechanical?
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Vernier H.D. Adjustable Throttle Locking Control Cables
Works on flat groundRMD FREIGHT Thanks this. -
Check these guys out. Universal add-on electronic cruise control system by Rostra
wore out, RMD FREIGHT and Oxbow Thank this.
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