To the back up light.
the back
you need to change the multifunctional switchthis happened to mine to
on the back side of motor
It is installed on the top of the back side exhaust manifold.
The Chevrolet Lumina speed sensor can be found on the back of the transmission. The exact position of the speed sensor is dependent upon the year of the automobile.
Back of the engine, center, under the exhaust manifold. According to autozone.com
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.
driver side engine in the middle od both heads. fallow the top rad hose back.
The 1999 Chevy Lumina 3.1 liter engine crankshaft position sensor is located on the back of the crankshaft. A diagram can be obtained from most Chevrolet dealerships.
The EGR valve is located on the top of the engine. Drivers side at the back of the engine. It is held on by two 10mm bolts.
The Chevrolet Avalanche truck has a unique design which allows one to lower the back window and fold the back seats down to make a bigger truck bed. When the back seat is folded in the cab is open to the weather.
looking at engine front from left to right 1 3 5 at back of engine left to right 2 4 6