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Founder, 1929-2014
Speedy Bill
Since 1952
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Universal Mechanical Brake Light Switch

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Specs
Sold in Quantity:
Each
Amperage:
42
Notes
5/32" round male terminals on switch. 2 10-32 screws included to mount. Lever actuated to OFF and spring return to ON, lever length 2.875
Universal Mechanical Brake Light Switch
Product Video
Universal Mechanical Brake Light Switch

Click image to enlarge

Watch the video below to learn more about the differences in brake lines, flare types and fittings you may want to consider before plumbing away on your current chassis project.

Details

Reviews

Q & A

What's in the Box

Our mechanical brake light switch is "closed" in the at rest position. It breaks the circuit when pushed. Mounts near your brake pedal and the arm can be bent as needed. 42 amp max rating.

Use for your street rod, truck, or muscle car!

Notes

  • Assembly is 1" deep 
  • Mounting plate is 1" x .75" 
  • .6875" center to center for the mounting screws

Customer Reviews

Rated 4.4 out of 5 by 14 reviewers.
RATING BREAKDOWN
14 reviews
5 Stars
9
4 Stars
3
3 Stars
1
2 Stars
1
1 Star
0
RECOMMEND THIS PRODUCT:

cotton
Verified Purchaser
summerville sc.
Product Rating

simple instulation and it works

March 20, 2015
I used this switch on a 1954 ford f100, The insulation was simple, two screws thru the floorboard,lever under the bake pedal, connect two wires and it was finished and worked as it should. I would use this switch to replace any of the 50s pressure switches,
Yes, I recommend this product.
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ColoradoMaverick
Verified Purchaser
Denver, CO, USA
Product Rating

It worked

July 20, 2014
The part functions but the quality needs improvement. I could not find anything better. simply it worked
Yes, I recommend this product.
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48bill
Verified Purchaser
CT
Product Rating

brake light switch

April 11, 2014
worked great as a replacement of a 15 year old part.
Yes, I recommend this product.
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speedcrazy
Circle, MT 59215, USA
Product Rating

works great

January 05, 2014
Well made, works great, nothing to leak, and easy to wire into your brake lights. Takes a little thinking to design a mounting bracket for your application. After that, just bend the switch arm to fit your pedal.
Pros:
  • nothing to leak
Yes, I recommend this product.
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GodJockey
PA
Product Rating

Great Product, Great Price

September 26, 2013
This switch works great when upgrading brake components and you don't trust an inline brake switch.
Pros:
  • Price
  • Quality
Yes, I recommend this product.
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Skinner
Mountain Home, Ar.
Product Rating

No-nonsense solution

March 21, 2010
One minute addition to my T-Bucket.
Pros:
  • Easy To Install
  • Simply bend arm to fit
  • No fluid mess
Yes, I recommend this product.
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Doug
Verified Purchaser
Willoughby Ohio
Product Rating

simple, functional, easy to mount.

June 03, 2011
A simple switch for the makeshift pedal assembly on my 38 Plymouth.
Pros:
  • Easy To Install
Yes, I recommend this product.
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dude43
Verified Purchaser
Product Rating

nice switch

February 21, 2015
this switch is a nice design that makes it an easy job to mount & adjust to the correct position.
Yes, I recommend this product.
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burnout
Verified Purchaser
Product Rating

EASY INSTALL

January 28, 2015
SIMPLE WORKS EASY TO INSTALL MAKES IT EASIER THAN PRESSURE SWITCH.
Yes, I recommend this product.
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Caboose
Verified Purchaser
Product Rating

Exactly what I needed

June 22, 2014
I am converting an old single well system to an updated dual well system on a 1939 Chevrolet pickup truck and I'm having to add several parts to make the switch . This brake light switch was perfect foe my application - easy to install and price was great.
Yes, I recommend this product.
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Page 1 of 2
91031306

Product Q&A

4 questions : 8 answers

2 answers

what electrical connector is used on wiring to switch ?

bk101
June 02, 2014

what electrical connector is used on wiring to switch ?

Answers

July 23, 2014
makesnodifference
Garden variety butt connector. I used heat shrink tubing to secure mine.
June 02, 2014
EricM
We apologize but do not have a plug in with pig tails for the mechanical brake switch number 91031306. Customers commonly match it up with the single female connectors and bring power in and out when pedal is moved. Your local electronics or parts store may have a correct plug in with pigtail.
2 answers

i have to push my brake pedal all the way to the floor before the brake light comes on ?

SWANCH
May 20, 2014

i have to push my brake pedal all the way to the floor before the brake light comes on ?

Answers

July 23, 2014
makesnodifference
Either bend the arm so it engages sooner or mount it farther from your brake pedal. Mine light u within the 1st inch of pedal travel.
May 21, 2014
Travisp
If your brakes are set up correctly your pedal should NOT be able to be pushed all the way to the foor. The mechanical switch has many adjustments by bending the arm. Check the switch hook up with your power to make sure it is set to come on more at the top than at the bottom of the stroke. If you note the polarity it seems to many to be in reverse as far as on and off goes. If you cannot get it to function then a pressure switch would be recommended.
2 answers

normally closed? If the switch is normally closed that means current is going through making a connection lighting the brake lights. Shouldn't it be normally open so when depressed the switch closes making contact?

BPDRV
Grapevine, TX, USA
July 22, 2013

normally closed? If the switch is normally closed that means current is going through making a connection lighting the brake lights. Shouldn't it be normally open so when depressed the switch closes making contact?

Answers

July 21, 2014
ColoradoMaverick
You are correct when it states normally closed the current is going through the switch (“Lights ON”) when the switch is at rest or not activated. Most vehicle manufactures use a normally open switch (“Lights OFF”). When you press on the pedal he switch closes and current is going through the switch (“Lights ON”).
July 23, 2013
Jason
Part number 91031306 is closed at rest which is opposite of some of the OEM switches but not all. The switch is positioned so that when the pedal comes back it hits the arm and breaks the circuit shutting off the brake lights. When the pedal is pushed it allows the switch to go to rest and turns on the brake lights.
2 answers

Approximately how big is this switch?

Nick
Cottage Hills, IL
September 09, 2011

Approximately how big is this switch?

Answers

February 22, 2015
dude43
the switch is much smaller than I expected. the 1/4" wide bendable arm is 3" long from the center of the housing. the housing is oval shaped 1-1/8" x 1-1/2" x 7/8" thick. the mounting bracket stands 1" tall to center of the housing. feels like a pretty stiff spring return.
September 12, 2011
QC
The arm is 3" The assembly is 1" deep. The mounting plate is 1" x .75" with .6875" center to center for the mounting screws.
Page 1 of 1

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NOTE:   If using residual valves in conjunction with this switch, we recommend installing the switch in-line before the residual valves.