Tech Questions and Answers - Mechanical brake light switch

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Mechanical brake light switch

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Category: CJ-2A Discussion Area
Forum Name: Tech Questions and Answers
Forum Description: CJ-2A technical questions here
URL: https://www.thecj2apage.com/forums/forum_posts.asp?TID=46034
Printed Date: 18 Apr. 2024 at 2:47am
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Topic: Mechanical brake light switch

Posted By: Mark W.
Subject: Mechanical brake light switch
Date Posted: 03 Dec. 2019 at 1:42am

Anyone here go with the Mechanical Brake light switch mounted on the MC cover? If so how did you route the wires. I been wondering about them getting involved with the Pedal arms etc. Also any tips on how to locate the Switch for reference I am talking about this type of switch.

https://content.speedwaymotors.com/ProductImages/91031306_L_d7f6bb83-b918-4bcd-b9dd-b8a1a4a07c89.webp" rel="nofollow - https://content.speedwaymotors.com/ProductImages/91031306_L_d7f6bb83-b918-4bcd-b9dd-b8a1a4a07c89.webp

Looks to me like this will have to be done once the Tub is on the Chassis. But I can at least make up the pig tail now.

Thanks

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Chug A Lug
1948 2A Body Customized
1949 3A W/S
1957 CJ5 Frame Modified
Late 50's 134L 9.25"clutch T90A D18 (1.25") D44/30 flanged E-Locker D25 5.38 Since 1962

Replies:

Posted By: Jeff_Davis
Date Posted: 03 Dec. 2019 at 2:23am

No experience with a mechanical switch on a Willys - only on motorcycle rear brakes.
But I am curious as to why you are going this route vs hydraulic pressure?

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Jeff
1947 Willys CJ2A Las Flores, Provinca de Buenos Aires, Argentina
1951 Willys M38 Flightline jeep (Southeast Florida)
1954 M-100 USMC Trailer
1954 FORD F-100 parts chaser, 292 V8 Y-Block

Posted By: Mark W.
Date Posted: 03 Dec. 2019 at 3:13am

Well simple enough for me as everything in my brake system except the backing plates is new and not stock.So rather then add a hydraulic switch to an already complicated system that has now a Dual Master Cylinder residual pressure valves and a Hurst Line Lock setup complete with it's own hydraulic switch. I decided a super easily serviced mechanical switch I can access standing next to the drivers door opening. Also I would have to invent somewhere to attach a hydraulic valve.

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Chug A Lug
1948 2A Body Customized
1949 3A W/S
1957 CJ5 Frame Modified
Late 50's 134L 9.25"clutch T90A D18 (1.25") D44/30 flanged E-Locker D25 5.38 Since 1962

Posted By: 64CJ5
Date Posted: 03 Dec. 2019 at 3:59am

When I did the dual master cylinder on the '64 I mounted a lever switch on the under side of the master cylinder inspection cover. Taped the two leads to gather and there have not been problems. The lever would lose contact with the brake pedal shaft so I made a stop for it. I am sure you can make a lever switch work for you.

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64CJ5 "Eeyore"
01TJ "Tigger"
52 M38 Severely demilitarized, "Popeye" The Coast Guard Jeep.
14 JK "Jake"
To Trust Government Defys Both History and Reason.

PUBLIC LAND Owner/User

Posted By: ndnchf
Date Posted: 03 Dec. 2019 at 8:14am

I put one on mine last year. It was easy. I bolted it to the access cover and just moved the wires from the old switch to the new. It works great.

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1948 CJ2A - It goes nowhere fast, but anywhere slow.

Posted By: Rick G
Date Posted: 04 Dec. 2019 at 4:48am

I’m using a mechanical switch for a motorcycle. I mounted it to the frame and hooked the pull spring to the cotter pin on the brake rod to the master cylinder. Works perfect every time. Very happy with it.

https://www.jpcycles.com/product/zz34349/k-l-supply-co-brake-light-switch-for-yamaha?mrkgcl=444&mrkgadid=3308570520&utm_source=google&utm_medium=cpc&utm_campaign=Google+Shopping++Generic+-+Brakes&product_id=ZZ34349&utm_content=pla&adpos=&creative=278867791817&device=t&matchtype=&network=g&gclid=CjwKCAiArJjvBRACEiwA-Wiqq_tdsaTWI6d9N4GoM1TIio4feUQp427W3Rfiil-ms6hhRAWBXXDWCRoCGOUQAvD_BwE" rel="nofollow - https://www.jpcycles.com/product/zz34349/k-l-supply-co-brake-light-switch-for-yamaha

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1947 CJ2a #119929 "Gus"
1951 CJ3a #451-GB1-24268 “Newt”

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