940 L4-2.3L SOHC VIN 88 B230F (1992)
Cruise Control Switch: Testing and Inspection
Fig. 3 Speed Control Switch Wiring Circuit
Disconnect electrical connector from speed control switch.
Connect a jumper wire from a 12 volt current source to red wire terminal in connector.
Connect a test light across ground and the three wires shown in Fig. 3.
Compare results with those shown in Fig. 4.
If indications are not satisfactory, replace switch.