Q74 Engine Coolant Bypass Valve
 Courtesy of GENERAL MOTORS COMPANY
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Connector Part Information
- Harness Type: Engine
- OEM Connector: 13522821
- Service Connector: 19371191
- Description: 5 -Way F 1.2 MCON-LL Series, Sealed (NA)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
| I |
Not required |
J-35616-16 (LT GN) |
No Tool Required |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.75 |
BU |
2976 |
Coolant Diverter Valve Actuator Control Open |
I |
- |
| 2 |
0.75 |
BU / BN |
2977 |
Coolant Diverter Valve Actuator Control Close |
I |
- |
| 3 |
0.5 |
WH / RD |
480 |
Engine Control Vehicle Sensors 5 Volt Reference 1 |
I |
- |
| 4 |
0.5 |
BU / GY |
2978 |
Coolant Diverter Valve Position Signal |
I |
- |
| 5 |
0.5 |
BK / GN |
580 |
Engine Control Sensors Low Reference 2 |
I |
- |