Mechanical Brake light switch upgrade |
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Millennium falcon
Member Joined: 20 Sep. 2016 Location: Central PA Status: Offline Points: 1521 |
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Posted: 03 Mar. 2023 at 4:09pm |
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I have been wanting to ditch the stock pressure switch for a long time. I know its been covered before but here's my version. I have found that when I do the 4-wheel disc brake conversions my brake lights don't come on with light braking. Not sure if my brakes are just too good...haha or switches just go bad and require more pressure to activate or what... But I've gone through several of them and I'm over it.. haha! The part number is in the pictures.. the rest is self explanatory. Now my brake lights come on as soon as the pedal starts to move. The stock wiring clips right on the probe and needed no modification. I got this from napa for $19 it was in stock.
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Millennium falcon
Member Joined: 20 Sep. 2016 Location: Central PA Status: Offline Points: 1521 |
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Success
I also switched to Strobe LED brake lights. |
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Scratch
Member Joined: 30 July 2019 Location: Hudson, WI Status: Offline Points: 1454 |
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Nice idea, thanks!
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43 GPW 93487 Blk
44 GPW 230283 OD 46 CJ2A 50100 Tan 46 CJ2A 77632 Wht 47 CJ2A 141681 Grn 48 CJ2A 156240 Red/Yel 48 CJ2A "Lefty" 181341 Red 61 CJ5 123120 Tan 03 TJ Inca Gld |
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TMRoper
Member Joined: 23 Aug. 2016 Location: Oklahoma Status: Offline Points: 192 |
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I have these on 4 jeeps and will go on the rest of the fleet! Inexpensive ,easy to install and works every time!
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willyt
Member Sponsor Member Joined: 31 July 2018 Location: Seneca,SC Status: Offline Points: 517 |
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I’m guessing the switches will need to be adjusted for each installation. How is this done? Bend the arm?
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1952 CJ3A (Lil'Green)
early M38A1(Ole Green) 1970 Jeepster Commando |
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Millennium falcon
Member Joined: 20 Sep. 2016 Location: Central PA Status: Offline Points: 1521 |
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I hooked mine up to a test light on the bench and marked the switch in the location where the light comes on…. Then you just mount it in a location that the brake pedal arm goes past your mark when your foot is off the pedal. No adjustment needed if you mount it correctly. The arm really can’t be bent in the direction you would need bend it for “adjustment” the master cylinder cover is pretty much the perfect location.
Edited by Millennium falcon - 04 Mar. 2023 at 9:44am |
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TMRoper
Member Joined: 23 Aug. 2016 Location: Oklahoma Status: Offline Points: 192 |
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On three of my jeeps I just mounted them flush on the MC cover plate. The fourth one (my sons) for some reason the body seemed to be moved back a little bit so I just shimmed it out alittle ,still works fine!
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Scratch
Member Joined: 30 July 2019 Location: Hudson, WI Status: Offline Points: 1454 |
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So checking the brake fluid requires just making sure you have plenty of slack wire on the switch and pulling it through the hole right? There’s not a good place to put it where you don’t have to pull it through the hole? I guess it shouldn’t be a problem now that I think about it… with 5 bolts it should be easily repeatable to get it in the same spot. I just don’t like the idea of a bunch of extra wire down there by the clutch and brake pedal arms.
ETA: I just re read your first post and you said the stock wires were used, so no extra wire. Is there plenty enough to pull through the hole? Edited by Scratch - 05 Mar. 2023 at 11:55am |
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43 GPW 93487 Blk
44 GPW 230283 OD 46 CJ2A 50100 Tan 46 CJ2A 77632 Wht 47 CJ2A 141681 Grn 48 CJ2A 156240 Red/Yel 48 CJ2A "Lefty" 181341 Red 61 CJ5 123120 Tan 03 TJ Inca Gld |
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Millennium falcon
Member Joined: 20 Sep. 2016 Location: Central PA Status: Offline Points: 1521 |
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On my jeep the wires were long enough. You can just set the cover to the side to top off the brake fluid. So in my case... it was a non issue. it wouldnt be hard to pop the wires off if needed.
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Millennium falcon
Member Joined: 20 Sep. 2016 Location: Central PA Status: Offline Points: 1521 |
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Edited by Millennium falcon - 07 Mar. 2023 at 6:44pm |
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Bruce W
Member Joined: 29 July 2005 Location: Northeast Colorado Status: Offline Points: 9651 |
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I never remove that cover. I use a long extension, a wobble-joint and a socket to loosen the m/c cap from under the hood, then grit my teeth (I know I’m going to get scratched) and reach down there to remove it. It’s easier to see from above, and easier to fill as well. I use a long plastic funnel that’s dedicated to brake fluid to fill. Then grit my teeth again and put the lid back on. It ain’t that bad. Incidentally, the lid doesn’t need to be death-grip tight. Just snug is good enough. It doesn’t hold against any pressure.
BW
Edited by Bruce W - 07 Mar. 2023 at 7:19pm |
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It is NOT a Jeep Willys! It is a Willys jeep.
Happy Trails! Good-bye, Good Luck, and May the Good Lord Take a Likin' to You! We Have Miles to Jeep, Before We Sleep. |
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Oldpappy
Member Joined: 09 Apr. 2018 Location: Tennessee Status: Offline Points: 4905 |
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Noticed the cancer warning on the box, so do not consume the product !
I too have had trouble with the pressure switches on the market nowadays, and have ran out of old ones. I think I'll try one of these mechanical switches on one of my Jeeps, maybe swap them into all of them. I also fill my MC from under the hood.
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If you can't get there in a Jeep you don't need to be there!
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WeeWilly
Member Sponsor Member x 2 Joined: 07 May 2009 Location: Clayton IN Status: Offline Points: 3423 |
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I don't think I want to go to California everything causes cancer there, even brake light switches.
Jim
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47 CJ2A (Ranch Hand) 48 CJ2A, 48 Willys truck, T3C 3782, M274 (Military Mule)
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Flatfender Ben
Member Joined: 13 July 2014 Location: Nyssa OR Status: Offline Points: 2657 |
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Thanks for posting!
This is a great upgrade
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1946 cj2a desert dog
1946 cj2a bulldog 1948 cj2a blue jeep 1953 cj3b yard dog 1955 willys wagon 1955 willys pickup 1956 willys pickup boomer 1960 fc 170 1968 jeepster commando 1990 Grand wagoneer |
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DeepVeer
Member Joined: 01 May 2022 Location: brampton Status: Offline Points: 100 |
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Hey brother,
Do you have the part # handy for rear strobe led brake lights? Thanks
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Millennium falcon
Member Joined: 20 Sep. 2016 Location: Central PA Status: Offline Points: 1521 |
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I don’t sorry. I just grabbed them off the shelf at Walmart. $14 a pair. They still work a year later so that’s A good sign.
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DeepVeer
Member Joined: 01 May 2022 Location: brampton Status: Offline Points: 100 |
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K thanks
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