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#1 |
Registered User
Join Date: May 2013
Location: Russellville AR
Posts: 148
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Nipple on Master Cyclinder? where to?
Whats the middle nipple go to? lol I know stupid question but all I can assume is it's a vacum line? But where to?
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#2 |
Registered User
Join Date: May 2013
Location: Russellville AR
Posts: 148
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Re: Nipple on Master Cyclinder? where to?
To the left on the bottom I know another line goes in. But the middle nipple hanging out? Vacum?
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#3 |
Senior Member
![]() Join Date: Mar 2003
Location: Colfax-California
Posts: 8,522
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Re: Nipple on Master Cyclinder? where to?
Single wire to a dash lamp when the prop slides to one side or the other in the case of a brake failure
Look for a single black wire dangling under the booster somewhere Last edited by kwmech; 11-21-2013 at 04:00 PM. |
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#4 |
20' Daredevil (Ret)
![]() Join Date: May 2003
Location: Jefferson State
Posts: 13,623
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Re: Nipple on Master Cyclinder? where to?
Yep. That's actually the switch in the proportioning valve, plumbed to the master cylinder and then to the brakes.
__________________
- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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#5 |
Registered User
Join Date: Feb 2013
Location: Orange, Calif
Posts: 183
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Re: Nipple on Master Cyclinder? where to?
Low pressure switch, which is normally open. When the shuttle valve moves due to drop in pressure the valve moves completing ground circuit and the dash light goes on.
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#6 |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,483
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Re: Nipple on Master Cyclinder? where to?
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Should be a brown electrical wire with a rubber boot on it that plugs into it. It goes to the brake warning light in the instrument panel... LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#7 |
Registered User
Join Date: May 2013
Location: Russellville AR
Posts: 148
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Re: Nipple on Master Cyclinder? where to?
oh Awesome!! Thanks so much!! I'll see what I can do tomorrow finding that wire! I'm pretty sure its still there though! Awesome! Speaking of which this weekend is wiring time! Hopefully will have it turning over and rolling on the 20's!
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