My guess is somebody probably spilled some liquid down from the cupholder. It got into the switch and is preventing contact. Remove the center console and get the the switch located at the base of the lever. Clean it out with some electrical cleaner and it should start working.
A dashboard light appearing when brake pedal is depressed usually means brake fluid is low.
Check the brake light switch. It's probably attached to the brake pedal, under the dashboard.
The brake light switch relay for your 1997 Chevy truck is located beneath the drivers side dashboard. The brake light relay switch will be above the brake pedal.
you either don't have the brake fully dis-engaged or you need to have your brakes checked for wear.
I'd check the sensor for the emergency brake. It's probably faulty.
No, they're standard measurements
Dot 3
In a 1997 Jeep Wrangler, the relay switch for the heater blower and motor is located behind the dash. It will be directly behind the HVAC knobs behind the dashboard.
The 1997 Pontiac brake light fuse is located in the fuse box. The brake light fuse will be labeled as the tail light fuse.
On the brake pedal.
The red brake light on the dash means that the brake fluid is low or the parking brake is on.
1/4 inch line, 3/8ths fittings.