plugging off the brake master warning switch ?
Thread Starter
Safety Car
Joined: Dec 2009
Posts: 4,372
Likes: 430
From: Birmingham Al
plugging off the brake master warning switch ?
Replaced my 93 brake master the warning switch striped going into the new master can't seem to find a new one and not giving $100,00+ for a used one, was told I can just plug it,? Will that work .. Thanks
Le Mans Master
Joined: Dec 2005
Posts: 8,594
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From: Communist Colorado
Should work and I think you need to jump across the terminals in the connector to keep the light off....
Melting Slicks
Joined: May 2019
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From: Mid-Atlantic
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You should try to keep that light functional in my 2 bit opinion.
If you have to, maybe buy a crappy used master off of eBay or something and rob the switch from it.
If there's something wrong with your brakes you want to know about it before they fail. Well..assuming you value your life and the lives of others on the road should the brakes fail absent the brake light warning function.
Don't monkey around with the braking system and brake system warning devices. It's just not worth it.
If you have to, maybe buy a crappy used master off of eBay or something and rob the switch from it.
If there's something wrong with your brakes you want to know about it before they fail. Well..assuming you value your life and the lives of others on the road should the brakes fail absent the brake light warning function.
Don't monkey around with the braking system and brake system warning devices. It's just not worth it.
Last edited by Natty C; Jun 18, 2026 at 11:55 PM.
Safety Car
Joined: Nov 2009
Posts: 3,977
Likes: 341
From: Adelaide South Australia
The switch is like a toggle between the front and rear lines, it will simply rock if one side puts out significantly more pressure than the other, activating the brake warning light.
Putting a block off bolt in does not activate the warning light.
Team Owner
Joined: Jan 2003
Posts: 20,342
Likes: 264
From: Summerland B.C. Canada
It’s a dry port and a simple switch. Can you not add some silicone to the threads to keep it in position ?
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