The one for the ecm is located next to the thermostat housing. The one for the gauge should be located between #3 and #5 spark plug on drivers side.
The 1989 Chevrolet 350 cubic inch engine coolant sensor is located on the front of the engine. The coolant sensor will be near the thermostat housing.
replace the coolant sensor, the one next to the thermostat housing.
The engine coolant temp sensor can do that. If you have a check engine light on, have the codes read.
3094
The approximate weight of a 1989 Chevrolet C 1500 pickup truck is 3,700 pounds. Trucks that have been modified will weigh more.
YES It is a direct bolt in.
Yes
That is the knock sensor
no where
Unplug and reconect the coolant temp sensor.
the sensor is located on the thermostat housing
the gross vehicle weight rating of a 1989 Chevrolet 2500 pickup is 8,600 lbs.