My '90 reads just under the Led light when at temp in any outside temp.
Under load or sitting intraffic it will go just above the Led until the fan
kicks in. It did start toread lower and as I found that was the begining of
the end for the T-stat. Replaced it and it's back to normal.

--
Thanks,

Jeff
'90 Carat (Grover)
'86 (We call this one Parts)
'78 Bus (Melissa) Patty's Bus