1990 GMC G2500 Vandura 8 Cyl 5.7L
Body & Interior
Speedometer, fuel gauge etc. do not work when the weather is cold. If temp is 45F or higher everything works fine.
What have you done so far to fix your vehicle? It is possible that you have a damaged instrument panel or wiring/connection and when the weather is cold moisture will enter the damaged wiring/connection or instrument panel.