Hummer H1 (2002+). Manual - part 299
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PCM/Tech 1 Scan Tool 129
®
05745159
40 WAY GM ENGINE LOCATION: LEFT INTAKE MANIFOLD
9-S12-020
9-S12-019
PIN A1
PIN B1
PIN C1
PIN D1
PIN A8
PIN B12
PIN C12
PIN D8
CAV A8
CAV B12
CAV C12
CAV D8
CAV A1
CAV B1
CAV C1
CAV D1
C5 MALE
C5 FEMALE
PIN
CKT
COLOR
DESCRIPTION
A1
39
DG
Engine temperature signal to gauge
A2
708
TN
Injection timing stepper motor LO
A3
709
RD
Injection timing stepper motor HI
A4
239
PK
Engine ignition feed
A5
291
PK
Engine ignition feed
A6
710
OR
Injection timing stepper motor LO
A7
711
YL
Injection timing stepper motor HI
A8
713
RD
Closure signal to solenoid driver
B1
712
LG
Fuel inject signal to solenoid driver
B2
491
BK
Closure ground to solenoid driver
B3
701
DB
Engine shutoff solenoid enable
B4
466
YL
Glow plug controller enable
B5
651
PP
Crankshaft position sensor ground
B6
57
BK
Ground
B7
B8
442
BR
CAM signal
B9
349
YL
Crankshaft position signal
B10
394
LG
Boost Pressure Signal
B11
359
BK
Sensor ground
B12
350
GY
Sensor 5 volt reference
C1
703
OR
High resolution signal
C2
225
YL
Fuel temperature signal
C3
375
GY
Optical Sensor 5 volt reference