*note to everyone else* The parking brake light is a feature on only the 72. (possably the 71 also)
Chevy dude, if the parking brake pedal is up all the way, and the wire is properly connected, unplug it and see if the light goes out. If it does, the switch on the pedal is bad. If it stays on, then unplug the one on the master cylinder. If the light goes out, the problem is in the prop valve. If it is still on, you need to start following the wires (both the one from the prop valve,a nd the one from the E-brake pedal) and look for a place that it is grounded out.
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