Hummer H1 Service Manual page 972

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PIN CKT COLOR
D6 725
D7 506
D8 238
D9 156
D10 153
D11 496
D12 717
D13 350
D14 375
D15
D16
05745159
GY APP (3) ground
LB Glow plug feedback signal
DG Lift pump relay enable +
PK Optical sensor ground –
LG Cruise control resume/accelerate
GY Transmission input speed signal (hi)
WH APP (1) 5 volt ref.
GY Boost sensor/crankshaft position sensor 5 volt ref.
GY Optical sensor 5 volt reference
Electrical System
DESCRIPTION
12-195
4-1-00