Control Switch/Timer Relay
NOTE:
The control switch/timer relay is located on instrument cluster trim on Continental, Escort, EXP, Lynx, and Mark VII. The control switch/timer relay is mounted to climate control head on all other models.
- Ground pin 2 (G) and connect a jumper wire between pins 3 (I) and 4 (B). Connect a 12 volt test lamp between pin 1 (L) and ground. On Continental, Escort, EXP, Lynx, and Mark VII: Apply power to pin 4 (B). Test lamp should not light. Apply power to pin S, the heated rear window symbol should light. On all other models: Apply power to pin 4 (B). Test lamp should not light.
- On all models: Turn control switch on. Test lamp should come on and stay on after switch returns to normal position. Test lamp should go off under the following conditions: Control switch is turned off, jumper wire between pins 3 (I) and 4 (B) is removed, power to ignition switch "ACC" terminal is removed (Tempo and Topaz only), or ten (10) minutes have elapsed.