1990 Chevrolet Lumina temperature sender is located on the back side of the thermostat housing. The sender has a wire that goes to the temperature gauge.
On my Chevy lumina it is located right by the gas take on the right side of the car.
Take wire off temperature sender look a guage. If guage at cool, temp sender needs replacement. If guage still at hot, temp sender wire shorted to engine or vehicle body.
The Chevy lumina does not have an inertia switch.
The trunk release for a 1997 Chevy Lumina is located on the driver side floor. An emergency release is also located inside the trunk.
on the side of the radiator
The 3 coils are located in the front of the car, under the radiator and in the middle. Follow the spark plug wires and there they are. You will probably have to remove the oil pressure sender to access one of the coils.
Replace the thermostat.
Chevy does not use inertia switches.
I have a 92 lumina 3.4 Mine was above the brake peddle
Inside the fuel tank.
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where is my cooling fan relay controll circuit located in a 1997 Chevy lumina, 3.1 engine