Hummer H1 Service Manual page 869

12-96 Electrical System
Step
1 Remove relay R4 from the interior fuse box. With
a DVOM check cavity G7 for resistance to
ground. Does the resistance meet the specified
value?
2 With a DVOM check the voltage at cavity F7. Is
the specified voltage present?
3 Turn the ignition switch to the "Run" position.
With a DVOM check the voltage at cavity F5. Is
the specified voltage present?
4 Remove the drivers door window switch and harness
from the bezel. Disconnect the power window switch
from the harness. With a DVOM check the resistance
between cavity 3 on the drivers power window switch
harness and cavity G5 of the interior fuse box. Does
the resistance meet the specification?
4-1-00
_______________________________________________________
Power Windows Inoperative, All Windows
Action Value(s) Yes
<.2 Ω
Go to step 2.
12v Go to step 3.
12v Go to step 4.
<.2 Ω
Replace relay R4
in the interior
fuse box.
®
No
Repair the open
or bad connection
in CKT 59
between relay R4
and Ground G4.
Repair the open
or bad connection
in CKT 175
between R4 and
fuse 5M in the
exterior fuse box.
Repair the open
or bad connection
in CKT 296
between R4 and
fuse 2G in the
interior fuse box.
Repair the open
or bad connection
in circuit 171
between the
drivers window
switch and R4.