Ford F150 Pickup. Manual - part 12

Fig. 17: Testing Driver Front Door Lock Switch 
Courtesy of FORD MOTOR CO. 

PASSENGER FRONT DOOR LOCK SWITCH 

Fig. 18: Testing Passenger Front Door Lock Switch 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

2003 ACCESSORIES & BODY, CAB Component Testing - F150 Pickup

  

EXTERIOR REAR VIEW MIRROR SWITCH (17B676)

Fig. 19: Testing Exterior Rear View Mirror Switch (17B676) 
Courtesy of FORD MOTOR CO. 

RELAY - MINI ISO 

 

2003 Ford Pickup F150 

2003 ACCESSORIES & BODY, CAB Component Testing - F150 Pickup

  

Fig. 20: Testing Relay - Mini ISO 
Courtesy of FORD MOTOR CO. 

Component testing procedure (voltage applied) 

Disconnect the ohmmeter; connect pins 30 and 85 to 12V DC power and pin 86 to ground. Measure voltage 
between pin 87 and pin 86. If the voltage is 12V, continue with the test. If not, replace the relay. Disconnect 
power from pin 85 and measure voltage between pin 87a and pin 86. If the voltage is 12V, the relay is okay. If 
not, replace the relay. 

RELAY - MICRO ISO 

 

2003 Ford Pickup F150 

2003 ACCESSORIES & BODY, CAB Component Testing - F150 Pickup

  

Fig. 21: Testing Relay - Micro ISO 
Courtesy of FORD MOTOR CO. 

Component testing procedure (voltage applied) 

Disconnect the ohmmeter; connect pins 2 and 3 to 12V DC power and pin 1 to ground. Measure voltage 
between pin 5 and pin 1. If the voltage is 12V, continue with the test. If not, replace the relay. Disconnect power 
from pin 2 and measure voltage between pin 4 and pin 1. If the voltage is 12V, the relay is okay. If not, replace 
the relay. 

 

2003 Ford Pickup F150 

2003 ACCESSORIES & BODY, CAB Component Testing - F150 Pickup