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How to instal brake fail light.
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Author:  shnitzee [ Sun Jun 12, 2016 8:41 pm ]
Post subject:  How to instal brake fail light.

Hi All
I want to install a handbrake warning light and a brake fail light on my 77 resto. I think I should be okay with the handbrake light install (thanks to info from the forum) but I'm a bit unsure how to go about wiring up the brake fail light. Any help would be muchly appreciated.

Thanks
Eiles

Author:  gtogreen1969 [ Sun Jun 12, 2016 9:30 pm ]
Post subject:  Re: How to instal brake fail light.

The factory used a relay that would switch the earth when the starter motor was engaged as well as the master cylinder pressure differential switch.

Here is a drawing I did when I recommissioned my dash lights last year.

Attachment:
Leyland Dash Lamp Brake Fail Circuit.jpg

Edit - Updated to a more user friendly copy.

Author:  shnitzee [ Sun Jun 12, 2016 9:56 pm ]
Post subject:  Re: How to instal brake fail light.

Thanks gtogreen.

The car didn't come with these extra bits but I want to install them as functional upgrades.

Eiles

Author:  gtogreen1969 [ Sun Jun 12, 2016 10:23 pm ]
Post subject:  Re: How to instal brake fail light.

I wouldn't be using the scotch locks like the factory did.
Also the relay is a bit of an overkill just to check the dash bulb is not blown. Lots of things to go wrong and very messy under the bonnet.
You could just run a push button switch to earth for the bulb check.

Author:  slacko [ Sun Jun 12, 2016 10:31 pm ]
Post subject:  Re: How to instal brake fail light.

I don't think the driver needs a light to tell him or her that the brakes have failed :shock:
just make sure the horn works , so you can advise others :oops:





PS please have insurance :D

Author:  Goldbrocade_62 [ Sun Jun 12, 2016 10:36 pm ]
Post subject:  Re: How to instal brake fail light.

slacko wrote:
I don't think the driver needs a light to tell him or her that the brakes have failed :shock:
just make sure the horn works , so you can advise others :oops:





PS please have insurance :D

The middle finger works wonders too

Author:  slacko [ Sun Jun 12, 2016 10:58 pm ]
Post subject:  Re: How to instal brake fail light.

not when you are in the wrong :lol:

Author:  Convertible Mini [ Mon Jun 13, 2016 5:42 am ]
Post subject:  Re: How to instal brake fail light.

Above circuit is correct but please DON'T USE SCOTCH LOCKS. That was one of the most Unprofessional thing Leyland Australia ever did on Minis.

Author:  shnitzee [ Mon Jun 13, 2016 8:36 pm ]
Post subject:  Re: How to instal brake fail light.

Ok.
Thanks for all the help and advice guys.

Cheers

Eiles

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