GMC Chevy Colorado 2023 Manual page 158

6-34 Electrical Component and Inline Harness Connector End Views
X51A Instrument Panel Wiring Harness Junction Block X1
Connector Part Information
Harness Type: Instrument Panel Wiring Harness
OEM Connector: 13537037
Service Connector: 85564872
Description: 49-Way F 1.5, 2.8, 6.3 Kaizen Series( BK)
Terminal Type ID
I
II
III
IV
X51A Instrument Panel Wiring Harness Junction Block X1
Pin Size Color
1 - 2
3 1.5 RD / GN
4 1.5 RD / WH
5 0.5 RD / VT
6 1 VT
7
8 0.5 VT
9 0.35 RD / BN
10
11 0.5 VT / WH
12 0.5 VT / BK
13
14 0.35 RD / WH
15 0.5 RD / BU
16 - 18
19 0.35 GN / VT
20 0.75 RD / WH
21
22 1 RD / BU
Terminal Part Information
Terminated Lead
13575835
13575850
19368264
Not required
Circuit
Not Occupied
1540 Battery Positive Voltage
1340 Battery Positive Voltage
1940 Battery Positive Voltage
1001 Retained Accessory Power Ignition Voltage
Not Occupied
4701 Retained Accessory Power Control
1440 Battery Positive Voltage
Not Occupied
1139 Run/Crank Ignition 1 Voltage
739 Run/Crank Ignition 1 Voltage
Not Occupied
7240 Battery Positive Voltage
3240 Battery Positive Voltage
Not Occupied
5199 Run/Crank Relay Coil Control
2740 Battery Positive Voltage
Not Occupied
1240 Battery Positive Voltage
Diagnostic Test Probe
J-35616-42 (RD)
J-35616-2A (GY)
J-35616-4A (PU)
No Tool Required
Function
5835272
Terminal Removal Tool
J-38125-11A
J-38125-557
J-38125-11A
No Tool Required
Terminal Option
Type ID
III
III
II
III
II
II
II
II
II
II
II
III
III
2023 - Colorado Electrical Body Builder Manual