It's part of the neutral safety switch on the front of the transmission.
It is on the front of the transmission case.
Brake light switch is located on the brake pedal arm. Unbolt & bolt in new one. Wiring will unplug & plug back in to new switch.
have someone press it down and have the other check the lights in the back
I was told by my parts guy that the back up light switch is the same as the reverse light switch.
the back up light switch is located in the gear shifter console
switch is on the transmission
You can try to reset your brake light switch by unplugging the brake light switch and plugging it back in. If that does not solve your problem you will need to replace the brake light switch.
Located at the rear jamb about half way up on each door. One Phillips screw attaches it to the body. Remove screw and pull wire out and unplug the wire connector. Replace with new button switch and screw back in place on the jamb.
the back?
On a 1989 C1500, the back up light switch is located on the driver's side of the transmission. It is just behind the area that is bolted to the motor.
bad fuse , bad electrical connection to or bad switch ( back up light switch on manual transmission / neutral safety switch on automatic transmission also acts as backup light switch )
you can find the switch on the back of the brake pedal.