How do you adjust brake light switch? - JeepForum.com

 
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post #1 of 12 Old 08-24-2011, 07:44 PM Thread Starter
HMS
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How do you adjust brake light switch?

I replaced my master cylinder today with one from Autozone due to leaking cap/top. Now my brake light won't go off. All I can figure is that that the shaft on the new was a little longer than the old one. Anyhow, does anyone know of an easy way to adjust the switch? I can hardly get my hand near the switch much less adjust it.

Thanks, Howard
1983 CJ7

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post #2 of 12 Old 08-24-2011, 08:08 PM
lucdog
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The shaft was shorter, anyway, it helps to be a contortionist. I used a open end wrench, once the nut closest to the firewall is loose, I used one finger to turn them. Its a royal PITA.

1957 WILLYS pickup,
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7
1989 YJ the CJ to YJ.
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post #3 of 12 Old 08-24-2011, 08:46 PM
mopar346
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You may have pushed the switch up in the bracket when you were doing the install. The switch is threaded pr ribbed on the out side and it just pushes into a bracket and the "threads" hold it in place. To adjust have the brake pedal in the relaxed (ie foot off) position and reach in and push the switch in until it bottoms out. There is no real push back pressure on the switch so it doesn't need to be hard/solidly secured. again chances are when you were playing the the master cylinder rod you probably just pushed the pedal up far enough to move the switch, no biggy. At leadt this is how my 84 is so I feel sure your 83 is that way as well, and yes it is a PITA to reach.

Good luck.

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post #4 of 12 Old 08-24-2011, 09:00 PM
lucdog
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Quote:
Originally Posted by mopar346
You may have pushed the switch up in the bracket when you were doing the install. The switch is threaded pr ribbed on the out side and it just pushes into a bracket and the "threads" hold it in place. To adjust have the brake pedal in the relaxed (ie foot off) position and reach in and push the switch in until it bottoms out. There is no real push back pressure on the switch so it doesn't need to be hard/solidly secured. again chances are when you were playing the the master cylinder rod you probably just pushed the pedal up far enough to move the switch, no biggy. At leadt this is how my 84 is so I feel sure your 83 is that way as well, and yes it is a PITA to reach.

Good luck.
The one I just replaced uses 2 nuts. And it may be possible to bend the tab on the brake pedal a little.

Bill

1957 WILLYS pickup,
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7
1989 YJ the CJ to YJ.
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post #5 of 12 Old 08-24-2011, 09:05 PM Thread Starter
HMS
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Thanks for the info. I take my Alieve in the morning before I contort myself out of shape.

Howard
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post #6 of 12 Old 08-24-2011, 09:13 PM
mopar346
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Quote:
Originally Posted by lucdog View Post
The one I just replaced uses 2 nuts. And it may be possible to bend the tab on the brake pedal a little.

Bill
Interesting, what year? Just learning Jeeps, and yes with the type that secures with nut you can adjust (read bend) the bracket for proper adjustment.

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post #7 of 12 Old 08-24-2011, 09:41 PM
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Quote:
Originally Posted by mopar346

Interesting, what year? Just learning Jeeps, and yes with the type that secures with nut you can adjust (read bend) the bracket for proper adjustment.
1980 CJ5 , the bracket can only be bent, approximately 0.125" to keep proper contact. IIRC the hanging pedal set I took from a 1995 YJ, was the same, 2 nuts, and my 1983 CJ 7 is the same as the 1980.
Good luck HMS.
Bill

1957 WILLYS pickup,
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7
1989 YJ the CJ to YJ.
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post #8 of 12 Old 08-25-2011, 03:52 AM
mopar346
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That's strange, I moved mine last weekend when I was fixing the ignition cylinder rack & pinion (?gears behind the key). I reset it in the fashion mentioned above, it definitely had no retaining nuts. I am just beginning to learn Jeeps, so I ask questions. Mine is an 84 powersteering, non-tilt column, manual brakes with a T4 if that matters.

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post #9 of 12 Old 08-25-2011, 07:36 AM
lucdog
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Quote:
Originally Posted by mopar346
That's strange, I moved mine last weekend when I was fixing the ignition cylinder rack & pinion (?gears behind the key). I reset it in the fashion mentioned above, it definitely had no retaining nuts. I am just beginning to learn Jeeps, so I ask questions. Mine is an 84 powersteering, non-tilt column, manual brakes with a T4 if that matters.
Just checked my 1984, it has the "slide" type you describe. So Im probaley mistaken on the 95YJ.

1957 WILLYS pickup,
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7
1989 YJ the CJ to YJ.
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post #10 of 12 Old 04-22-2013, 12:09 PM
Armystrider
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adjusting brake switch

just pull on switch a couple clicks or until it meets pedal
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post #11 of 12 Old 04-22-2013, 12:23 PM
John Strenk
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Quote:
Originally Posted by mopar346 View Post
You may have pushed the switch up in the bracket when you were doing the install. The switch is threaded pr ribbed on the out side and it just pushes into a bracket and the "threads" hold it in place. To adjust have the brake pedal in the relaxed (ie foot off) position and reach in and push the switch in until it bottoms out. There is no real push back pressure on the switch so it doesn't need to be hard/solidly secured. again chances are when you were playing the the master cylinder rod you probably just pushed the pedal up far enough to move the switch, no biggy. At leadt this is how my 84 is so I feel sure your 83 is that way as well, and yes it is a PITA to reach.

Good luck.
My 84 switch worked this way on my 76 brake pedal also. I updated the 76 harness to an 84 harness.
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post #12 of 12 Old 04-22-2013, 01:01 PM
Matt1981CJ7
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Quote:
Originally Posted by Armystrider View Post
just pull on switch a couple clicks or until it meets pedal
Perfect....but only a year and a half too late for the OP.

Matt
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