Hummer H1 Service Manual page 946

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PIN CKT COLOR
C4 354
C5 357
C6
C7
C8
C9
C10 31
C11 506
C12 156
D1
D2
D3 154
D4
D5
D6
D7
D8
05745159
YL Engine coolant temperature signal
TN Intake air temperature signal
TN Oil pressure signal to gauge
LB Glow plug feedback signal
PK Optical sensor ground
TN Wastegate solenoid control
Electrical System
DESCRIPTION
12-169
4-1-00