Hummer H1 Service Manual page 845

12-74 Electrical System
VOLT
G L
I
C3-N6
C3-N7
TO
DIMMER
SWITCH
FUSE
G4
4B
5 AMP
INTERIOR
FUSE BOX
P R E S S U R E
TO
IGN
SWITCH
DIGITAL
RATIO
ADAPTER
(DRA)
SPEED SENSOR (VSS)
4-1-00
_______________________________________________________
OIL
G L
SPEEDO
I S
G L S I
59 BK
30 GY
17 PP
C3-L7
C1-30 C3-P9
C1-I8
C5-C10
O I L
S E N D E R
G1
10
SPEEDO
SIGNAL
ENGINE
SPEED SIGNAL GROUND IGN+
7 12 8
TO VEHICLE
G1
FUSE
3A
20 AMP
EXTERIOR
FUSE BOX
TO IGNITION
Figure 2-93: Gauges Schematic
FUEL
TEMP
G L G L
I S I
C3-P8
C1-36
C5-A1
ENGINE
TEMPERATURE
SENSOR
G1
9
675 YL
673 DB
MAIN TANK
FUEL LEVEL
SENDING UNIT
C26-A
58 BK
C38-B
G2
TACHOMETER
G L
S I S
C3-P7 C3-K9
C1-35 C1-49
C2-35 C5-B9
C26-B
GAUGE
OUTPUT
FUEL
SELECTOR
VALVE
CRANKSHAFT
POSITION
C26-C
SENSOR
A
AUX TANK
FUEL LEVEL
SENDING UNIT
B
9-S12-059.3
®
TO CTIS
HARNESS
349 YL
TO PCM