If it has a 4.3L engine the temp sensor is located next to the thermostat housing.
Most likely in the fuel tank.
The starter solenoid is attached to the starter.
On the 4.3L it is located next to the thermostat housing. The electrical plug to it has two wires.
Start with replacing the thermostat.
there is no thermosat on a 1944 Chevy s10. For that matter there is no 1944 Chevy S10
It goes around the thermostat if you are talking about the Chevy S10 4.3L engine.
where is the drake light switch on a 1999 chevy s10. The brake light switch is located just above the brake pedal. You will need a flashlight to see it.
Check your heater core and thermostat. The thermostat may be stuck open. Does the S10 run hot or cold?
Assuming you have a 195 degree thermostat, it should be aprox 195 degrees plus or minus a few.
1999 S10, it should be under the hood, on the firewall, on the passengers side, close to the blower motor.
It should have a 195 degree thermostat.