C1 emergency brake switch installation
03-04-2008, 07:03 AM
#21
Pro
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VettePoor,
Nice job...that is a great way to get a working configuration.
Stratplus,
If you look at the parking brake rod there should be a hole where the nub should be. The picture Frank posted was very helpful to me because I was not able to see the hole and was not aware of the need for the nub.
This was a very informative thread for me with regards to orginal and alternative solutions...Thanks...
Nice job...that is a great way to get a working configuration.
Stratplus,
If you look at the parking brake rod there should be a hole where the nub should be. The picture Frank posted was very helpful to me because I was not able to see the hole and was not aware of the need for the nub.
This was a very informative thread for me with regards to orginal and alternative solutions...Thanks...
03-04-2008, 07:37 AM
#22
Team Owner
JohnZ said earlier in this post that you can buy the nub from repro vendors but I took a quick look at Dr. Rebuild and Paragon and couldn't find one right off - but they must be out there.
03-04-2008, 07:53 AM
#23
Team Owner
I believe the part is called a stop pin and Corvette America lists them:
Here is the note they have on the part:
This is a metal pin with a flared head and fluted sides that
is inserted in a hole in the parking brake notched shaft. It
prevents the shaft from being pulled or pushed too far.
Here is the note they have on the part:
This is a metal pin with a flared head and fluted sides that
is inserted in a hole in the parking brake notched shaft. It
prevents the shaft from being pulled or pushed too far.
Last edited by Frankie the Fink; 03-04-2008 at 07:55 AM.
03-04-2008, 12:21 PM
#24
Instructor
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I am pretty sure that the stop pin has to be removed to disassemble the ratchet rod from the outer sleeve which might explain why many go missing over the years.
If you can't find the correct pin you might be able to slip in a pan head screw of slightly smaller thread diameter into the original pin bore (I believe that was a press fit fluted rivet style pin). A drop of epoxy is all that is needed to hold it. That's what I did in a moment of impatience and it has worked fine for a long time.
Regarding the switch operation, it is a PBNC or "push button normally closed" switch. When the brake is released, the rod is all the way back and the switch button via the leaf betwen it rides up on the pin thereby breaking the circuit. But when in any other position, the button releases thus completing the circuit and the light blinks.
If you can't find the correct pin you might be able to slip in a pan head screw of slightly smaller thread diameter into the original pin bore (I believe that was a press fit fluted rivet style pin). A drop of epoxy is all that is needed to hold it. That's what I did in a moment of impatience and it has worked fine for a long time.
Regarding the switch operation, it is a PBNC or "push button normally closed" switch. When the brake is released, the rod is all the way back and the switch button via the leaf betwen it rides up on the pin thereby breaking the circuit. But when in any other position, the button releases thus completing the circuit and the light blinks.
03-04-2008, 05:54 PM
#25
Burning Brakes
After looking at the ridiculous prices people were asking for these setups, I found a jeweled dash lens that matches originals, used a flashing bulb, and installed a microswitch on the brake handle, activated by the same "nub". Works like a charm for a whole lot less money!!
Can you provide a part number for the flashing bulb? Going that way I could get away from some unneeded clutter under the dash. Thanks.
03-04-2008, 06:37 PM
#26
Burning Brakes
My switch failed years ago, so I cobbled up a system that uses a turn signal flasher with resistors to ground to provide enough load to flash the bulb. It ain't pretty, but it works.
Can you provide a part number for the flashing bulb? Going that way I could get away from some unneeded clutter under the dash. Thanks.
Can you provide a part number for the flashing bulb? Going that way I could get away from some unneeded clutter under the dash. Thanks.
John
03-07-2008, 07:21 PM
#27
Team Owner
C1 parking brake switch ***'y
Wow - item #120228265748 on eBay - used, in worse shape than the one I just bought it seems, current bid is $257 !!! I don't feel so bad about what I paid now.
03-08-2008, 10:07 AM
#28
Racer
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Just put mine in and it works great - flashes brightly only when brake is set and ignition is on....15 minute job. NO - there is no repro for these I got mine from WernerVett@aol.com including the switch, flasher bulb and pigtail - I hate to even post what I paid for it; they ain't cheap !
The one that was on my car didn't work most of the time. I bought a used one and found it had a slit worn on the metal tab. Gave up and bought a new one. Switch broke.
03-09-2008, 10:36 AM
#29
60 ebrake
The nub was broken off in the shaft. Punched it out, then used a pan head screw and the beauty of that light saying "Brake" says it all!
