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ELFRIED
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PostPosted: Thu Apr 15, 2021 4:35 am    Post subject: Brake switches Reply with quote

I try to keep my 63 ghia as stock as possible but concerning the brakes i mounted a double circuit brake system and a cilinder I had still lying around.
Everything is mounted but one of the 3 sprong electrical connections of one of the brake switches broke off.
As I don't have a warning light anyway I 'd like to use only the good switch and wire it as a 2 sprong. .I'd like to leave the faulty one unconnected.
Will this work?
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jeffrey8164 Premium Member
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PostPosted: Thu Apr 15, 2021 5:49 am    Post subject: Re: Brake switches Reply with quote

Yes.
The stock dual circuit harness is simply parallel wired so you should have no issue.
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ELFRIED
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PostPosted: Thu Apr 15, 2021 6:14 am    Post subject: Re: Brake switches Reply with quote

Great ,thanks Jeffrey
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Era Vulgaris
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PostPosted: Thu Apr 15, 2021 7:39 am    Post subject: Re: Brake switches Reply with quote

You can also use the 2-prong switches on the dual circuit master cylinder. That's what was done in '67, the first year for the dual circuit before a warning light was added. The parallel redundancy in the wiring is just for safety in case one of the switches stops working, which can happen especially if you're using the non-german cheapo ones.

FWIW, when I start assembling my car (if I ever get it back from the paint and body shop!), I'll be using this so that the brake lights come on immediately. https://www.thesamba.com/vw/classifieds/detail.php?id=2140061

Even with the German hydraulic switches, there needs to be more pedal movement than you sometimes actually use in some light braking situations for the brake lights to come on.
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Currently own:
66 Karmann Ghia, L390 Gulf Blue, under construction, here: www.thesamba.com/vw/forum/viewtopic.php?t=760505&highlight=
99 Mazda MX-5 10AE, Sapphire Blue Mica, 6 speed, LSD

Previously owned:
98 Porsche Boxster, silver, 2.5L -- 67 Karmann Ghia, Black, 1500sp -- 98 BMW Z3, Atlanta Blue Metallic, 2.8L I6 -- 75 Porsche 914, Laguna Blue, 2270cc -- 72 Porsche 914, Signal Orange, 1.7 FI -- 74 Karmann Ghia, Black, 1600dp -- 74 Triumph TR6 with O.D., sapphire blue
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Vladiiiii
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PostPosted: Thu Apr 15, 2021 10:45 am    Post subject: Re: Brake switches Reply with quote

I did this myself, and have to say it works perfectly. The slightest touch of the pedal, you get a very small click as a feedback, and the brake lights are instantly on Wink
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https://www.thesamba.com/vw/forum/viewtopic.php?p=9237746#9237746
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ELFRIED
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PostPosted: Thu Apr 15, 2021 11:42 am    Post subject: Re: Brake switches Reply with quote

Ok ,good to know ,just in case...
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