I have a 97 J90 Prado 2.7l with 100k. Recently my tach has been freezing stuck at 3500rpm but the truck is running normal and fine. Dome fuse is fine, dome lights and other accessories work fine. Just the tach, clock and radio don't work. Tach will start working again if I give the dash a good smack and cds will work in the radio but it will skip if I hit a speed bump or hit the dash. Backlight on deck doesn't work and it will only sometimes play cds. Anybody else have this issue or have any ideas on how I can irradicate this problem? Thanks