TEST OR INSPECTION
While an assistant pushes bumper turret control pattern control switch (WP 0035),
check if bumper turret pattern sleeve shifts to stream and fog positions.
If bumper turret pattern sleeve shifts to stream and fog positions, go to
Put bumper turret control POWER switch to
disconnect switch to OFF position (WP 0007). Remove bumper turret junction box
cover (WP 0572). Check connections at bumper turret junction box 5-pin terminal strip
for loose connections.
If connections are loose, tighten loose connections (WP 0573).
Check for continuity across bumper turret junction box ground wire (black) from bumper
turret junction box 5-pin terminal strip to a known good ground.
If there is continuity, replace bumper turret junction box air
regulator (WP 0573).