brake pedal position (BPP) switch | Ford Explorer Forums

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brake pedal position (BPP) switch

fishnmaine

Active Member
Joined
August 16, 2010
Messages
61
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City, State
East Waterboro, Maine
Year, Model & Trim Level
2004 Sport Trac 4x4 Auto.
Has anybody tried to replace this switch(Cruise Control Release Switch) by the brake pedal......Looks like a challenge I might have to take the seat out so I can have room to get to it.....The only place I can see getting this part is rockauto.......can't find any other place.

Thanks
 



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I should of specified this is for a 2004 Sport trac
 






Since that's the vehicle in your signature that's what I posted. Is that not the switch you were asking about?
 






cruise/remote start/BPPS


NC
I have been trying to determine if the newly installed factory remote start on my '05 Limited Explorer has anything to do with my cruise not working all of a sudden. Everything else on it is box stock

On another thread (http://www.explorerforum.com/forums/showthread.php?t=157221) they are telling me no way.

I saw on one your posts:
I'm no expert by any stretch of the imagination but I'll try and help you. Exactly what have you replaced? Are your brake lights operating properly?

Principles of Operation

The speed control system is designed to maintain a selected vehicle speed between 48 and 200 km/h (30 and 125 mph).

Whenever the system is engaged and active, a speed control set indicator will be illuminated in the instrument cluster.

The brake pedal position (BPP) switch is normally closed to ground. When the brake pedal is applied with the speed control system engaged, the BPP switch closes to battery voltage, putting the speed control in stand-by mode.

NOTE: The speed control module is integral to the speed control servo.

Normally, when the brake pedal is pressed, the speed control module deactivates the speed control system. Under increased brake pedal effort, the deactivator switch, a normally closed switch, will open and remove power to the speed control servo clutch, releasing the throttle independently of the speed control module.

The clock spring provides the electrical interface between the steering column wiring and the speed control switches in the steering wheel.

The inputs to the speed control servo are the:

vehicle speed signal
speed control switches
brake pedal position (BPP) switch
deactivator switch
The outputs of the speed control servo are the:

speed control indicator
speed control cable controlled throttle position

Inspection and Verification

NOTE: If any concerns are noted with the speedometer, stop lamps, or horn, address those concerns by referring to the appropriate sections before continuing speed control diagnosis.

Verify the customer concern.
NOTE: Any aftermarket modifications, including but not limited to those listed below, may cause the speed control to not operate correctly:

Any wiring or lamp modifications affecting the brake lamp operation
LED brake lamps
Non-factory installed trailer wiring
Radios (speed sensitive, auto mute)
Remote starters and alarms
Lighting and electrical accessory modifications

Visually inspect for obvious signs of mechanical or electrical damage:
Visually inspect the speed control actuator and accelerator controls.
Visually inspect the speed control cable without removing it and ensure smooth cable operation. Inspect the speed control cable connection to the throttle body.
Visually inspect the accelerator cable without removing it and ensure smooth cable operation. Inspect the accelerator cable connection to the throttle body. Also check for cable interference with the carpet, bulkhead grommet, insulation and instrument panel wiring.
_________________
Steve,
'99 Mustang, '10 TRANSIT Connect
'02 Sport Trac 4x4 Lowered!
'01 Sport Trac 4x2 (now a donor)
List of Useful "How To" Threads

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that the two are intertwined along with a variety of other electronics such as volume control on the radio

Is the brake pedal position sw. what deactivates the cruise?
If so what can I do?

What should I check first?
If there is a problem (not closed to grd) w/the BPPS what symptoms might I look for?

Is there a fuse for the speed control servo?

any help is much appreciated

Thanks
Joe
 






Bringing back a dead thread, but I need some help in a similar area. I don't have cruise control, but I believe the switch on the brake lever is what is preventing me from switching out of park, leaving me pretty much stuck at the moment. Is there a way to bypass this switch in my case so that the shift lever isn't locked as it is now? I need the switch to be bypassed in such a way as to allow shifting to and from park without brake depression. It would be temporary, but im in kind of a crisis situation here.
 






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