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- Thread starter Vlad Soare
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Bikeman315
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Nice....But at least I was right about it not belonging on the floor.That's the CPP switch. It disengages cruise control when you press the clutch in.
Here is where it is mounted:
StangTime
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That's for sure!Nice....But at least I was right about it not belonging on the floor.
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Vlad Soare
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Thanks, guys. I managed to see the place where it should have been installed, though figuring out exactly in which position, and how it was supposed to be attached, proved much harder. And once I figured that out, actually putting it back in that position proved even harder still. It took fifteen minutes of contorting myself in all imaginable ways, and a lot of cursing, but in the end I made it. 
RasJeremy
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I'd love to see you breakdance while cursing under the dashIt took fifteen minutes of contorting myself in all imaginable ways, and a lot of cursing, but in the end I made it.
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StangTime
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Glad you figured it out. Makes me wonder if the assembly line worker just "gave up" on installing it.Thanks, guys. I managed to see the place where it should have been installed, though figuring out exactly in which position, and how it was supposed to be attached, proved much harder. And once I figured that out, actually putting it back in that position proved even harder still. It took fifteen minutes of contorting myself in all imaginable ways, and a lot of cursing, but in the end I made it.
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Vlad Soare
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What's funny is that I don't even use the cruise control. If I hadn't been looking at the clutch pedal to figure out how to install the Steeda spring, I could have driven for years without even suspecting anything. 
I can't blame him.
Elp_jc
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That's weird; my 2019 Bullitt does not have that switch. And you seem to have a 2020, right? Do you have adaptive cruise? Or does Ford put that thing back? I haven't tried clutching with my cruise on, but it was reported by several owners that it disengages, and after completing the shift, it automatically resumes. That's actually better than having a switch, and needing to resume manually. Curious why your car has it 
.
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Vlad Soare
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Yes, I have the adaptive cruise. And since everything else seems to work perfectly fine without that switch, I think we can safely assume that it's for the adaptive cruise control.
StangTime
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My car has the switch and I have regular cruise control. Not ACC. The switch is only used when you clutch in for a manual shift.
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Vlad Soare
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Maybe the adaptive part is not important. I guess both must know when you disconnect the clutch in order to disengage. So it's probably for the cruise control in general, be it adaptive or not.
What I don't get is why it should need a separate, dedicated switch, when there's already one for the engine start. Why not use that instead?
What I don't get is why it should need a separate, dedicated switch, when there's already one for the engine start. Why not use that instead?
StangTime
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Likely because the car needs to know if the clutch is all the way in or partially in. Bad things happen starting a manual with the clutch partially engaged. The switch at full disengagement gives the go ahead to start the motor. When driving, partial clutch will disengage the cruise. Two different functions, two different switches.
Elp_jc
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That is really weird. My car is also a 2019 manual, and doesn't have it. Do you have the digital dash? Does your car have rev-matching, meaning tranny sensors? There has to be a difference. Now, have you tried doing an upshift, to see if your cruise re-engages automatically after it, or immediately cuts it when you depress the clutch a little bit? We need to get at the bottom of this. Ha ha.
The reason is the start switch is at the very bottom of the clutch pedal travel, so clutch is fully disengaged before starting engine. And to cancel cruise, you want it at the TOP of the pedal travel, so you can cut the engine before disengaging the clutch. Makes sense, no?
But the funny thing is my car doesn't have that switch, and cruise reportedly cuts off, and even keeps it after making a gear change, so that's even better than a switch that just cuts it. But the better question now is why some cars have it, and others don't .
StangTime
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That is really weird. My car is also a 2019 manual, and doesn't have it. Do you have the digital dash? Does your car have rev-matching, meaning tranny sensors? There has to be a difference. Now, have you tried doing an upshift, to see if your cruise re-engages automatically after it, or immediately cuts it when you depress the clutch a little bit? We need to get at the bottom of this. Ha ha.
The reason is the start switch is at the very bottom of the clutch pedal travel, so clutch is fully disengaged before starting engine. And to cancel cruise, you want it at the TOP of the pedal travel, so you can cut the engine before disengaging the clutch. Makes sense, no?
Hmm. Analog dash. I have rev matching. I have cruise. Now I'm curious and confused. 
Going to have to go drive it to find out exactly. I believe there is a sensor on the transmission responsible for rev matching.
StangTime
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So I had to have a look at some old pictures I took before I removed my amplifier. I found this:
The clutch is in the resting position. So you would think that if this switch was working in conjunction with the cruise system that it would be on the opposite side of the activation arm (on the left) It would appear as though the switch in question is for detecting when the clutch pedal is pressed all the way in. Is there another switch?
The clutch is in the resting position. So you would think that if this switch was working in conjunction with the cruise system that it would be on the opposite side of the activation arm (on the left) It would appear as though the switch in question is for detecting when the clutch pedal is pressed all the way in. Is there another switch?
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