Impulse L4-2254cc 2.3L SOHC (1988)
Vehicle Speed Sensor: Testing and Inspection
Fig. 50 Connecting tester leads to speed sensor circuit.
Fig. 50b Testing Speed Sensor
1.
Remove cluster assembly, then connect leads of tester as shown by arrows in Fig. 50.
2.
Turn inner cable slowly and check that tester indicates a continuity and an open circuit condition alternately.
3.
If not satisfactory, replace speedometer assembly.