Ford F150 Pickup. Manual — part 9

2003 ACCESSORIES & BODY, CAB

Component Testing - F150 Pickup

INTRODUCTION

Component testing procedures are provided to determine whether a component is good or bad.

Testing information for each component includes a schematic, a view of the terminal locations and step-by-step
test procedures. Terminal locations are identified by numbers or letters that may be on the component or next to
it.

Fig. 1: Testing Terminal C1 (With mark Or Without Mark)
Courtesy of FORD MOTOR CO.

The component connector MUST BE REMOVED before testing. To test a single circuit within the component,
select that circuit under the column "Circuit to test". If you wish to test the complete component, perform all
tests.

Connect the tester to the terminals shown in the second column and operate the component as shown in the third
column.

COMPONENT TESTING

HEADLAMP SWITCH, EXTERIOR LAMPS

2003 Ford Pickup F150

2003 ACCESSORIES & BODY, CAB Component Testing - F150 Pickup

2003 Ford Pickup F150

2003 ACCESSORIES & BODY, CAB Component Testing - F150 Pickup

Fig. 2: Testing Headlamp Switch, Exterior Lamps
Courtesy of FORD MOTOR CO.

HEADLAMP SWITCH, INTERIOR LAMPS

Fig. 3: Testing Headlamp Switch, Interior Lamps
Courtesy of FORD MOTOR CO.

IGNITION SWITCH

2003 Ford Pickup F150

2003 ACCESSORIES & BODY, CAB Component Testing - F150 Pickup

Fig. 4: Testing Ignition Switch
Courtesy of FORD MOTOR CO.

MULTIFUNCTION SWITCH, WIPER/WASHER PORTION

2003 Ford Pickup F150

2003 ACCESSORIES & BODY, CAB Component Testing - F150 Pickup

Fig. 5: Testing Multifunction Switch, Wiper/Washer Portion (1 Of 3)
Courtesy of FORD MOTOR CO.

Fig. 6: Testing Multifunction Switch, Wiper/Washer Portion (2 Of 3)
Courtesy of FORD MOTOR CO.

2003 Ford Pickup F150

2003 ACCESSORIES & BODY, CAB Component Testing - F150 Pickup