GMC Chevy Colorado 2023 Manual page 502

6-378 Electrical Component and Inline Harness Connector End Views
T8A Ignition Coil 1
Connector Part Information
Harness Type: Engine Wiring Harness
OEM Connector: 10092979
Service Connector: 84889372
Description: 4-Way F 1.2 Multilock Series, Sealed( BK)
Terminal Type ID
I
Pin Size Color
1 0.75 BK
2 0.75 BK / BU
3 0.75 BU / VT
4 0.75 VT / BU
Terminal Part Information
Terminated Lead
Not required
T8A Ignition Coil 1
Circuit
6450 Engine Even Bank Ground
2129 Ignition Control Low Reference Bank 1
2121 Ignition Control 1
5291 Powertrain Main Relay Fused Supply Voltage 2
Diagnostic Test Probe
J-35616-12 (BU)
Function
5402120
Terminal Removal Tool
No Tool Required
Terminal Option
Type ID
I
I
I
I
2023 - Colorado Electrical Body Builder Manual