B198 Fuel Composition Sensor (FHS)
WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of GENERAL MOTORS COMPANY
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Connector Part Information
- Harness Type: Chassis Wiring Harness
- OEM Connector: 33362826
- Service Connector: 19371197
- Description: 3-Way F 1.5 MX Series, Sealed (GY)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
| I |
Not required |
J-35616-14 (GN) |
No Tool Required |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.5 |
VT/GN |
4320 |
Powertrain Sensor Bus Enable |
I |
- |
| 2 |
0.5 |
BK |
1750 |
Ground |
I |
- |
| 3 |
0.5 |
WH |
1579 |
Fuel Temperature/Composition Signal |
I |
- |