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#1 |
Registered User
Join Date: Mar 2010
Location: houston texas
Posts: 84
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Replacing/adjusting brake pedal switch?
My son's 67 C10's original brake switch finally went out (we think). Symptom was that the brake lights were on all the time, eventually killing the battery. Jiggling the switch would make them go off, but not reliably.
I bought a new switch, but for the life of me cannot figure out just how I'll be able to physically get the old one out and the new one in, much less 'adjust' it. I've already taken the instrument cluster out, but the brake switch is located in a channel bolted to the firewall and there doesn't seem to be a way to reach it. Any tricks, tips or suggestions (even if just the best way to lay upside down in the cab on the floor while working on it!) would be appreciated! Thanks! Mark
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Mark 57 Austin Healey 3000 (sold many moons ago, unfortunately) 67 C10 (in progress, son's) w/ 1993 350 SBC, '96 Vortec heads (custom polished ports), EPS Performer intake, Holley carb, cam, MSD ignition 93 C4 Corvette (mostly done, son's) |
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#2 |
Senior Member
![]() Join Date: Aug 2008
Location: Cedar Park, Texas
Posts: 7,500
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Re: Replacing/adjusting brake pedal switch?
It is a major pita to change as you need to be a contortionist. Iirc there is a sheetmetal nut that is used as a "back up" to hd the position once it is adjusted correctly.
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#3 |
Registered User
Join Date: Mar 2010
Location: houston texas
Posts: 84
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Re: Replacing/adjusting brake pedal switch?
Indeed. Thusfar I've only succeeded in completely loosening the top nut. Can't hold the bottom one and turn the switch (easier than the other way around?). Steering column, etc are severely blocking access, not to mention vision...hmmm.
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Mark 57 Austin Healey 3000 (sold many moons ago, unfortunately) 67 C10 (in progress, son's) w/ 1993 350 SBC, '96 Vortec heads (custom polished ports), EPS Performer intake, Holley carb, cam, MSD ignition 93 C4 Corvette (mostly done, son's) |
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#4 |
Registered User
![]() Join Date: Oct 2004
Location: Milwaukee, WI
Posts: 403
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Re: Replacing/adjusting brake pedal switch?
I dropped the steering column when I replaced mine to give me more access to the switch.
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Steven 69 Chevy C10 Suburban 350 700R4 w/Disc brakes on all four corners ![]() 2017 50th Anniversary Camaro SS 2004 Chevy Impala LS 2016 Chevy Malibu LT |
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#5 |
Registered User
Join Date: Mar 2010
Location: houston texas
Posts: 84
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Re: Replacing/adjusting brake pedal switch?
I probably should have in hindsight. Finally got the old one out and the new one started back in...call 911 if you don't hear from me in a week or so!
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Mark 57 Austin Healey 3000 (sold many moons ago, unfortunately) 67 C10 (in progress, son's) w/ 1993 350 SBC, '96 Vortec heads (custom polished ports), EPS Performer intake, Holley carb, cam, MSD ignition 93 C4 Corvette (mostly done, son's) |
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#6 |
Registered User
Join Date: Mar 2010
Location: houston texas
Posts: 84
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Re: Replacing/adjusting brake pedal switch?
Done. Brakes happy again. Still need to button it all up (dash, etc.) but some of that needed a little tweaking anyway. It actually can be done. (BTW, masking tape does a good job of substituting for an extra hand in a place you couldn't even get all of one hand into.)
__________________
Mark 57 Austin Healey 3000 (sold many moons ago, unfortunately) 67 C10 (in progress, son's) w/ 1993 350 SBC, '96 Vortec heads (custom polished ports), EPS Performer intake, Holley carb, cam, MSD ignition 93 C4 Corvette (mostly done, son's) |
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