oil pressure gauge fogging up INSIDE car? help?

[91stang50GT]

double post. sorry.

 

[HISSIN50]

In what I know, it should not happen (I used to run automotive gauges on motorcycles, and even when sitting out in the open or under a crotchrocket screen, they'd stay nice and clear).

I'd see about gettin the gauge swapped under warranty.

Good luck.