Super Duty & Heavy Duty1999 to current Ford F250, F350, F450 and F550 Super Duty with diesel V8 and gas V8 and V10 engines
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Tried the cruise this morning and it wouldn't come on. Checked the owners manual for fuse or relay location and it's not listed. Can somone please provide me the fuse/relay number for the cruise control or other suggestions on trouble shooting the problem. Have several long trips coming up shortly so I need to get it fixed ASAP.
The air bag light stays on for about 3 seconds after the engine is started. Horn works. Brake lights are working properly and do not stay on after the pedal is released.
There are about 70+ fuses/relays listed in the manual but it doesn't say which one is for the cruise control.
In 2008 there shouldn't be a Speed Control fuse... it's all part of the PCM. When you activate cruise control, it just transfers throttle input from your foot to an array of sensors. That is the beauty of having an electronic throttle. You don't actually modulate the throttle with the gas pedal, you're simply telling the computer how you want it to modulate the throttle.
one of those sensors must be reading unexpected values.
...you are pressing ON and then SET while traveling over 30mph, correct?
__________________ 2008 F-250 XL 5.4L Reg. Cab 4x2 6-spd 4.10 w/B&W "Turnoverball"
OE Options installed: TowCommand Brake controller, Upgraded to 4 spkr. Single CD/AM/FM w/AUX from 2 spkr. AM/FM, cab clearance lights, Fog Lights, Cruise Control, Redundant Audio Controls.
I drive a 2008 Ford van for work. The cruise stopped working on it a while back. The dealer plugged in their fancy computer and started testing the switches on the steering wheel... all were working as they should. He reached down and pressed the brake pedal while watching the computer screen & there it was! Brake pressure switch on the master cylinder was bad. The pressure switch is an additional kill switch for the cruise. If tapping the pedal to activate the brake lights fails to disengage the cruise, the pressure switch will. In my case it was sticking, preventing the cruise from working at all.
2000 F250 4x4 Lariat 7.3L (with 25,717 miles on the odometer as of 7-20-2014), 2004 F150 4x4 Super Crew Lariat 5.4L, 2004 2x4 Ranger and a 2008 Ford Focus.
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