No it does not.
There is an output coming from the VSS (Vehicle Speed Sensor) and an input going into the ECM (Engine Control Module).
The crankshaft sensor on a 1999 Chevy Blazer is located on the bottom of the engine, near the oil filter. It connects to the vehicle's computer and constantly updates it on the crankshaft's position.
Look near the rear of the transmission on the driver's side.
It is on the transfur case tail shaft.
The temp sensor for the ECM (engine control module) is next to the thermostat housing.
where the map sensor on 98 blazer?
It is located behind the grill but in front of the radiator on the passengers side of the vehicle.
It could be the crank sensor, depending what year vehicle you have.
The fuel pump main relay in a 1998 Chevy Blazer is located in a black box under the vehicle's hood. You will find the relay and sensor box near the firewall on the passenger side of the vehicle.
NO.
Where is the control module located on the 1983 Chevy blazer
The 1993 Chevy S 10 Blazer IAT sensor can be found on the top of the transmission. The IAT sensor will be near the front of the transmission.