GMC Chevy Colorado 2023 Manual page 518

6-394 Electrical Component and Inline Harness Connector End Views
X88B Tow Vehicle Electrical Receptacle (U1D & Z82)
Connector Part Information
Harness Type: Chassis Wiring Harness
OEM Connector: 13857223
Service Connector: 86816072
Description: 7-Way F 280, 630 Metri-Pack Series, Sealed( BK)
Terminal Type ID
I
II
Pin Size Color
0.75 GN / WH
A
0.75 WH / GN
B 5 WH
C 2.5 BU
D 0.75 GN / VT
E 3 RD / GY
F 1.5 GY / BN
G 0.75 YE / GY
Terminal Part Information
Terminated Lead
Not required
Not required
X88B Tow Vehicle Electrical Receptacle (U1D & Z82)
Circuit
5189 Trailer Backup Lamp Control
1624 Trailer Backup Lamp Control
22 Trailer Ground
47 Trailer Auxiliary Control
1619 Right Rear Trailer Stop/Turn Lamp Control
1042 Battery Positive Voltage
2109 Trailer Park Lamp Control
1618 Left Rear Trailer Stop/Turn Lamp Control
Diagnostic Test Probe
J-35616-42 (RD)
J-35616-4A (PU)
Function
2056936
Terminal Removal Tool
No Tool Required
No Tool Required
Terminal Option
Type ID
II U1D+ Z82
II Z82- U1D
I
II
II
II
II
II
2023 - Colorado Electrical Body Builder Manual