Test C - Rear Quarter Glass Inoperative

1. Inspect fuse No. 6 in fuse panel. See Figure and Figure . If fuse is okay, go to next step. If fuse is bad, replace fuse and retest system.
2. To test power circuit, check voltage between ground and rear window switch connector, pin No. 4 (Light Blue/Pink wire). See Fig 1 . If battery voltage is present, go to next step. If battery volt age is absent, repair open in circuit No. 295 (Light Blue/Pink wire) and retest.
3. To check ground circuit, check for continuity from ground to rear window switch connector, pin No. 3 (Black wire). If continuity is present, replace rear window switch and retest system. If continuity is absent, repair open in circuit No. 57 (Black wire) and retest system.

Fig 1: Identifying Rear Window Switch (Windstar)

Courtesy of FORD MOTOR CO.