Circuit DescriptionThe engine speed sensor provides engine speed information to the electronic control module (ECM). The sensor must be powered...

Circuit DescriptionThe coolant level sensor monitors the coolant level within the coolant system and passesinformation to the electronic control module...

Circuit DescriptionThe vehicle speed sensor (VSS) uses two separate coils of wire (some applications use asingle-coil sensor) to count gear...

Circuit DescriptionThe vehicle speed sensor (VSS) uses two separate coils of wire (some applications use asingle-coil sensor) to count gear...

Circuit DescriptionThe electronic control module (ECM) enables the exhaust brake by sending a signal to therelay that controls the exhaust...

Circuit DescriptionThe fan clutch solenoid is a device used by the ECM to control the engine fan by sending asignal...