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Module Power, Ground, Serial Data, and MILWiring Schematics

Fig 1: Module Power, Ground, Serial Data, and MILWiring Schematics
GM2742935Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
239 Run/Crank Ignition 1 Voltage
239_VT/WH 239 VT/WH
CAV_14 14
CONN_X1 X1
CAV_10 10
CONN_X3 X3
840 Battery Positive Voltage
840_RD/BU 840 RD/BU
CAV_12 12
CAV_15 15
5069 Engine Main Relay Coil Control
5069_BN/WH 5069 BN/WH
CAV_16 16
CAV_14 14
5290 Powertrain Main Relay Fused Supply (1)
5290_VT/BU 5290 VT/BU
CAV_3 3
CONN_18 18
CAV_18 18
CAV_86 86
CAV_87 87
CAV_85 85
CAV_30 30
5985 Accessory Wakeup Serial Data
5985_VT/YE 5985 VT/YE
CAV_36 36
2500 High Speed GMLAN Serial Data (+) (1)
2500_D-BU 2500 D-BU
CAV_10 10
2501 High Speed GMLAN Serial Data (-) (1)
2501_WH 2501 WH
CAV_11 11
419 Check Engine Indicator Control
419_BN/WH 419 BN/WH
CAV_1 1
CAV_25 25
419_BN/WH 419 BN/WH
419_BN/WH 419 BN/WH
CAV_22 22
CAV_17 17
350 Ground
350_BK 350 BK
CAV_73 73
CONN_X2 X2
G104 G104
X201 X201
X230 X230
F20UA F20UA 15 A
F18UA F18UA 15 A
F19UA F19UA 20 A
F6UA F6UA 15 A
F6UA F6UA 15 A
K20  
A90 Logic
P16  
KR74 Ignition Run Relay
Data_Communication_Schematics_REF Data Communication Schematics
KR75 Engine Controls Ignition Relay
X50A