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Old 06-21-2021, 06:19 AM   #1
russcc
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Default Mechanical brake light switch, '40 Ford

Did a search on the forum for mechanical brake light switches, and come up 3 NAPA #s, SL 450, SL 453, and SL 128. Did a NAPA search, nothing close for a '40.
Anyone have a part # for mechanical switch for a '40.

Using DOT 5 so I am not going through the change pressure switch drills when it craps out. Thank you
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Old 06-21-2021, 07:17 AM   #2
alanwoodieman
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Default Re: Mechanical brake light switch, '40 Ford

old style, lever arm gm switch from the 40's works mounted to wood floor
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Old 06-21-2021, 07:58 AM   #3
V8 Bob
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Default Re: Mechanical brake light switch, '40 Ford

I'm using the SW-42 switch from Ron Francis on my '32, '40 and '51. They are water proof and handle high amperage without the need for a relay. A simple angle bracket will locate them to stock '32 or '40 pedals, and extended m/c push rod on the '51.
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Old 06-21-2021, 10:18 AM   #4
russcc
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Default Re: Mechanical brake light switch, '40 Ford

Any current NAPA or other part #s. I didn't look at them, but Ron Francis seemed overpriced for another item of theirs. Thank you.
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Old 06-21-2021, 11:10 AM   #5
deuce lover
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Default Re: Mechanical brake light switch, '40 Ford

Here is the one Speedway sells that I have used quite a few times.Easy to mount.$8.99
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Old 06-21-2021, 12:53 PM   #6
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Default Re: Mechanical brake light switch, '40 Ford

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Quote:
Originally Posted by deuce lover View Post
Here is the one Speedway sells that I have used quite a few times.Easy to mount.$8.99

And these that Sheldon (deuce lover) posted come in LEFT & RIGHT hand models. Hard to beat! DD
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Old 06-21-2021, 09:06 PM   #7
alanwoodieman
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Default Re: Mechanical brake light switch, '40 Ford

lever action same as GM from the 40's
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Old 06-22-2021, 04:47 AM   #8
russcc
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Default Re: Mechanical brake light switch, '40 Ford

Thank you. That lever s/w looks like it might work. Don't like those bullet connectors, but they may be a work around.
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Old 06-22-2021, 06:19 AM   #9
deuce lover
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Default Re: Mechanical brake light switch, '40 Ford

That particular switch is for 51-52 Chev Bel Air and pickups.10 or so on EBAY right now at $27 -$37 and all use bullet connectors.
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Old 06-22-2021, 12:02 PM   #10
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Default Re: Mechanical brake light switch, '40 Ford

Easy to install too.
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Old 06-24-2021, 07:54 PM   #11
russcc
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Default Re: Mechanical brake light switch, '40 Ford

Rockauto lists the same switch as Standard Motor Products # SL 450 for a '49 GM. The local NAPA store carried the same switch, both left & right versions SL128 & SL129. Made in Mexico. In stock because some are used a limit switch for dump trucks.
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Old 06-25-2021, 04:47 PM   #12
TJ
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Default Re: Mechanical brake light switch, '40 Ford

Shop around as those switches are available at most auto parts stores. Usually about $12-14. I've always used them. I mount them using 10-32 T nuts in the wood floorboards or a 10-32 nutsert in the steel floorboards.
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Old 06-25-2021, 06:08 PM   #13
russcc
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Default Re: Mechanical brake light switch, '40 Ford

Thanks to the Fordbarn on the mechanical brake SW. Saw a post on here a few years ago, and made a note of it. When came time to ditch the MC press. SW, I dug out my notes and started looking with Fordbarn help. Got the idea of mounting it under the floor board from here also. Just finished it today, and works great. I used 10-32 flathead screws to mount the SW on by drilling and tapping the floorboard 10-32, countersunk the heads, and made the screws long enough to put shims under the SW bracket to raise or lower it as adjustment if needed,
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