Hummer H1 Service Manual page 734

_____________________
®
DEFROST BLOCKOFF DOOR MOTOR(BLUE)
FACE DOOR MOTOR(YELLOW AND BROWN)
OFF
Floor out
Defrost out
blockoff
Face out
Defrost out
Recirculate out
05745159
Heating/Ventilation/Air Conditioning (HVAC)
DEFROST DOOR MOTOR (SILVER)
7-S11-031
Figure 11-5: Vacuum Door Motors
Vacuum Door Motor Arm Positioning
MAX A/C
out out
out out
in in
out out
in out
FLOOR DOOR MOTOR (RED)
A/C Blend Face
in out
out out
half in
out out
out out
RECIRCULATE DOOR MOTOR
(ORANGE)
Defrost/
Floor
Floor
in out
out out
out out
out out
out out
11-15
Defrost
out
in
out
in
out