Alan sugar
That is the ABS in operation.
Probably in need of a good tune up.
An S10 is the same as a Chevy S10.
Check the bulb, it could be blown.
You may need a new alternator and or battery.
2 wheel or 4 wheel drive makes a big difference.
We need to know which gauge stopped working.
2 wheel drive or 4 wheel drive makes a difference.
Haynes makes a manual with the wiring schematic for the O2 sensor on a 1991 Chevy Blazer S10. The manual can be found at most book stores.
Once every three months you should change the coolant in your 2003 S10 ZR2. ?æDifferent models and makes of vehicles may require you to change the coolant more or less often.
That'll be an airlock, bleed the heater and it will go way
probably answered your own question.