Reply to "Hi-Beam Headlight Problem"

Assuming the hazard switch is about to go, the main problem is the internal spring pressure for the pop-out switch button gradually distorts the switch body. The latching mechanism has a pin inside that runs in a groove, allowing the system to function as a cam. It's possible to remove the switch, disassemble it and wedge the cam-follower inside so it more closely follows the slot cut in the switch body; I did this decades ago using a strip cut off an old Hall Pantera business card!
Others have had good luck adding a small worm drive HOSE CLAMP around the body. With this fix, you play with the button position and hose-clamp tightness until the follower and plastic body are in their proper places again.
It's also possible to adapt a hazard switch from a '70s Alfa Romeo, but the switch's wire designators on the back are not identical to your Pantera. There's a Nov '08 POCA Newsletter article describing this method.
Finally, the OEM haz-switch is one of a number of parts recently reproduced by Santiago DeTomaso and Steve Wilkinson, and the 'real thing' is fairly cheap from vendors now. I assume it comes with instructions.
So there's really no reason to put up with a malfunctioning hazard switch. Wedging the button with stuff is hazardous- push too far in and it disconnects your brake lights, which will earn you a fix-it ticket which is not free anymore- in cash-broke CA anyway, I'm told the DMV charges up to $200 for such.