How big is the hydraulic brake light switch?
How big is the hydraulic brake light switch?
Finding a replacement switch for almost any car of that era is not difficult; in fact, the same switches were used by multiple manufacturers over a wide range of years. The hydraulic brake switches all had two terminals and could be either 1/8-inch pipe or 1/4-inch pipe thread.
Why do you need a hydraulic light switch?
The switches were designed to sense an increase in hydraulic pressure within the system, which, in turn, closed an electrical circuit within the switch, allowing voltage to flow to the taillamp bulbs. It was a simple principle and one that was embraced by all original manufacturers during that time period.
Is there a third type of brake light switch?
A third similar switch was identical in size and function, except it used two push-on bullet terminals for the wires.
Finding a replacement switch for almost any car of that era is not difficult; in fact, the same switches were used by multiple manufacturers over a wide range of years. The hydraulic brake switches all had two terminals and could be either 1/8-inch pipe or 1/4-inch pipe thread.
The switches were designed to sense an increase in hydraulic pressure within the system, which, in turn, closed an electrical circuit within the switch, allowing voltage to flow to the taillamp bulbs. It was a simple principle and one that was embraced by all original manufacturers during that time period.
Where is the brake light switch on a car?
The switch is commonly installed under the dashboard above the brake pedal and can be tested with a multimeter. Should you need a fuse, bulb, tail light assembly, or brake light switch, O’Reilly Auto Parts can help you complete your repair.
What happens when the brake light switch fails?
It also sends a signal to the vehicle computer when the brakes are applied. In newer vehicles, this information is used for push-button start, anti-lock brakes, and vehicle stability control, but these features may not operate if the brake light switch has failed.
