GMC Chevy Colorado 2023 Manual page 136

6-12 Electrical Component and Inline Harness Connector End Views
X50A Engine Wiring Harness Junction Block X2
Connector Part Information
Harness Type: Engine Wiring Harness
OEM Connector: 7298-4593-40
Service Connector: 85595155
Description: 48-Way F 1.5, 2.8, 6.3 MCP, 9.5 YESC Series( GY)
Terminal Type ID
I
II
III
IV
V
Pin Size Color
1 5 RD / YE
2 5 RD / BU
3 4 YE / GN
4 - 9
10 0.5 VT / GY
11
12 0.5 YE / VT
13 - 17
18 5 RD / GY
19
20 0.5 RD / WH
21 2.5 YE
22 - 25
26 0.5 VT / BU
27 2 VT / BU
28 1 VT / BU
29 - 33
34 0.5 VT / BU
Terminal Part Information
Terminated Lead
19333301
19369711
84764078
84779405
Not required
X50A Engine Wiring Harness Junction Block X2
Circuit
1442 Battery Positive Voltage
1542 Battery Positive Voltage
4358 Starter Pinion Solenoid Voltage
Not Occupied
8017 Secondary Axle Motor Relay Control
Not Occupied
4325 Starter Pinion Solenoid Actuator Relay Control
Not Occupied
1342 Battery Positive Voltage
Not Occupied
140 Battery Positive Voltage
6 Starter Solenoid Crank Ignition Voltage
Not Occupied
5294 Powertrain Main Relay Fused Supply Voltage 5
5290 Powertrain Main Relay Fused Supply Voltage 1
5291 Powertrain Main Relay Fused Supply Voltage 2
Not Occupied
5293 Powertrain Main Relay Fused Supply Voltage 4
Diagnostic Test Probe
J-35616-22 (RD)
J-35616-14 (GN)
J-35616-42 (RD)
J-35616-35 (VT)
J-35616-35 (VT)
Function
5838162
Terminal Removal Tool
J-38125-215A
EL-38125-560A
J-38125-215A
J-38125-215A
No Tool Required
Terminal Option
Type ID
I
I
I
II
II
III
IV
III
IV
IV
V
IV
2023 - Colorado Electrical Body Builder Manual