This brake light switch has a male 1/8" NPT thread and includes a female 1/8" NPT to a 3/8"-24 I.F. male thread adapter so you can screw it right into an inverted flare brake fitting.
- Designed to be installed into a 3/8"-24 inverted flare female fitting
- Switch has two 1/4" wide male spade terminals
- 3/8"-24 IFM thread adapter included
NOTE: If using residual valves in conjunction with this switch, we recommend installing the switch in-line before the residual valves.
It worked! I'm recommending this brake light switch!
Rated
by GD. on September 29, 2025
Summary: It was easy to install.
Yes, I recommend this product.
Quality was not what I expected.
Rated
by Carl on October 15, 2024
Summary: The adapter was what I needed, but the threads on the brake light switch seemed not to be clean. I used my old brake light switch and it threaded in perfectly.
No, I would not recommend this product.
I would buy again
Rated
by Cruise on May 29, 2024
Summary: Worked great in my 49 Ford pickup restoration.
Yes, I recommend this product.
Yes
Rated
by No on September 28, 2023
Summary: Works well
Yes, I recommend this product.
Great product as always
Rated
by denbob on June 15, 2023
Summary: I have built four cars using these, always work perfect
Yes, I recommend this product.
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted
source for specialty rodding and racing products and friendly expert
advice for more than 74 years. Founded in 1952 by “Speedy” Bill
Smith – a racer and street rodder himself – Speedway has grown from a
one-man operation to become the world’s largest manufacturer, distributor
and retailer of street rod and racing products. Our industry-leading
fast delivery is the result of same-day shipping from our state-of-the-art,
centrally located 500,000 sq. ft. headquarters. Speedway’s size offers
customers unmatched product selection and low pricing, while our excellent
technical support and customer service have made us a recognized leader
in the rodding and racing industries.