It's also possible that the cables are rusted up and or frozen. Try some WD40 or other product
on the cables and the contact points on the mechanism. Loosen or disconnect the cable to see if
that is the problem.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine