It would have a 195 degree thermostat installed so take it from there.
The factory operating temperature specification for a Chevy Celebrity is 195o . It is the same for both the 2.5L 4 cylinder engine as well as the 2.8L V6.
190
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You can find the wiring diagrams for a Chevy Celebrity in either a factory service manual or either a Chilton or Haynes manual.
I don't know about a Chevy factory service manual but you can obtain a haynes service manual that is very useful at almost any auto-parts store for about 25$
95 degrees
We replaced the temperature gauge in my 1991 Chevy blazer what is the normal operating temp?
You can find a fuse block diagram in either a Chilton manual, a Haynes manual or a factory service manual.
You can find fuse block diagrams for your 1989 Chevy Celebrity in either a factory service manual, Chilton manual or Haynes manual. If you don't have a manual your local library may have a Chilton or Haynes.
Around 190 degrees
Around 220 degrees.
180 degrees