Brake Pressure Warning Switch?
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Freshman User
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Brake Pressure Warning Switch?
I have looked at all of the online parts catalogs for stores here, and, I cannot find this part. Is their a more common name for this, and, where did you guys find yours? Please Help!
New User
Joined: Jan 2008
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It's called a Brake Proportioning valve or Brake failure switch
Try this site
http://www.inlinetube.com/Prop%20Valves/
Try this site
http://www.inlinetube.com/Prop%20Valves/
Last edited by Mil1ion; Mar 3, 2007 at 11:00 AM.
Junior User
Joined: Nov 2005
Posts: 86
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I used one of these power bleeders:
http://www.trackhaus.com/index.php?m...ex&cPath=77_65
not too expensive and it works great.
http://www.trackhaus.com/index.php?m...ex&cPath=77_65
not too expensive and it works great.
Senior User
Joined: Oct 2006
Posts: 321
Likes: 1
From: Arcade, Georgia
[QUOTE=Mil1ion]It's called a Brake Proportioning valve or Brake failure switch
Try this site
http://www.inlinetube.com/Prop%20Valves/[/QUOTE]
Mil1ion, I just got my Inline Tube P-valve for my '74 F-100. Mounts right up and I'm getting the adapters tomorrow. One big question I have is the pigtail. Original has two wires. The switch that came in the one from Inline has only one terminal. DOes anyone know what I need to do here?
Try this site
http://www.inlinetube.com/Prop%20Valves/[/QUOTE]
Mil1ion, I just got my Inline Tube P-valve for my '74 F-100. Mounts right up and I'm getting the adapters tomorrow. One big question I have is the pigtail. Original has two wires. The switch that came in the one from Inline has only one terminal. DOes anyone know what I need to do here?
New User
Joined: Jan 2008
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I'll check the wiring diagram.
Edit:
From their web site.
Our proportioning valve has a dashboard warning light switch built-in (this is not a stop light switch). The warning light will indicate any loss of pressure, for example, a leaky wheel cylinder. We recommend you wire this light into your system. Any two-wire light socket will work. One wire goes to the accessory power and the other goes to the warning light.
Edit:
From their web site.
Our proportioning valve has a dashboard warning light switch built-in (this is not a stop light switch). The warning light will indicate any loss of pressure, for example, a leaky wheel cylinder. We recommend you wire this light into your system. Any two-wire light socket will work. One wire goes to the accessory power and the other goes to the warning light.
Last edited by Mil1ion; Mar 4, 2007 at 10:27 PM.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
C8AZ-2B264-A .. Switch, Brake Pressure Differential Warning Lamp / Fits: All 1968/79 F100/350 (& 1969/79 E100/350)
Screws into brake differential (proportioning) valve.
Failure: Minute cracks develop in threads, switch leaks, warning light comes on.
Screws into brake differential (proportioning) valve.
Failure: Minute cracks develop in threads, switch leaks, warning light comes on.
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New User
Joined: Jan 2008
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Tom, Do you have a pic ?
The OEM switch is just that: a set of contact points contact points to allow the current to continue to flow back to the light
Will the old switch not screw into the PPV ?
NDP has your switch. Page 2 of the brake section.
2B264 SWITCH, Brake Pressure Differential Warning Lamp
F1-350 67-79 Located on brake block (combo valve)........ 2B264-1 27.04
You don't want to know the price of the PPV's
The OEM switch is just that: a set of contact points contact points to allow the current to continue to flow back to the light
Will the old switch not screw into the PPV ?
NDP has your switch. Page 2 of the brake section.
2B264 SWITCH, Brake Pressure Differential Warning Lamp
F1-350 67-79 Located on brake block (combo valve)........ 2B264-1 27.04
You don't want to know the price of the PPV's
Last edited by Mil1ion; Mar 4, 2007 at 11:51 PM.
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Senior User
Joined: Oct 2006
Posts: 321
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From: Arcade, Georgia
OK, here is what I found out. Inline Tube says not to try using the stock switch. They did say to locate the "hot" wire from the ignition on the original pigtail and splice it to the one lead going to the new P-valve. The new one from Inline Tube is self grounding and that is why you only have to use the one wire. I did it and my brake light is working just like it is suposed to. Brakes are now working on ALL FOUR WHEELS again!!! WOO HOO!!! 
Thanks for your help and I hope this helps someone else!
Thanks for your help and I hope this helps someone else!
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