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Unread 06-28-2013, 03:35 PM   #1
Chlarock
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1984 CJ7 
 
Join Date: Nov 2011
Location: carmel, new york
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Proportioner Valve Wire

I ran all new brake lines and installer a new proportioner valve. I went to plug in the valve and find that the valve has one wire connection and the harness wire has two wires. Can this be retro fitted or do I have to replace the prop valve? Its a cj7 with a yj interior so I had to use the yj harness for the transition from engine compartment to interior.

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Unread 06-28-2013, 03:42 PM   #2
LumpyGrits
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1985 CJ7 
 
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IIRC, 1 wire goes to the p'brake.
LG
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Unread 06-28-2013, 06:17 PM   #3
Ollie09
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1983 CJ7 
 
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Connector

If the switch has a shroud around the center terminal, then this is the connector you need.

http://inlinetube.com/Prop%20Valves/PR201.htm
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Unread 06-28-2013, 06:54 PM   #4
Chlarock
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Yes, that is what I would need but what wire does it connect to on the two wire harness connection coming from the engine compartment wires?
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Unread 06-28-2013, 09:32 PM   #5
Guy Smilie
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I think you just splice the two wires together with the single wire. I say "think" because that's what I did but haven't hooked it up to see if it works yet. I got that info from the experts on here.
Do a search "converting brake pressure switch from 2 wire to 1 wire configuration"
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Unread 06-28-2013, 10:25 PM   #6
Chlarock
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I'll do that search. I also "Think" you may be right so maybe I'll just splice em and see if it works.
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Unread 06-29-2013, 08:37 AM   #7
John Strenk
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Quote:
Originally Posted by Guy Smilie View Post
I think you just splice the two wires together with the single wire. I say "think" because that's what I did but haven't hooked it up to see if it works yet. I got that info from the experts on here.
Do a search "converting brake pressure switch from 2 wire to 1 wire configuration"
Yes, That's all you need to do.

One wire runs to the parking brake and other wire runs to ignition switch.

The ignition switch connection turns on the brake warning light so you know the bulb is working before you drive. It just grounds the circuit momentarily when cranking.
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