Take some sandpaper to the end of the fuse, go all around it as it is shaped like a cone on the ends. That should do it. If not you might have a plug on the instrument panel that is loose.
1969 RS/SS Camaro Conv. L-89 Alum. Head 396 375HP 4-spd
1987 GNX #419, 2002 RX300
FS: 1934 Ford Street Rod, Blown 383 $48,500 Firm