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1998-2001 O2 Sensor #1 Connector Pin-Out
The photo above is of the HO2S 11 engine wiring harness connector. This O2 sensor connector has round female terminals.
| Pin | Wire Color | Description |
|---|---|---|
| 1 | LT BLU/ORG | Heater 12 Volts |
| 2 | RED/WHT | Heater Ground |
| 3 | ORG | Sensor Ground |
| 4 | GRY/LT BLU | O2 Signal |
1998-2001 O2 Sensor #2 Connector Pin-Out
The photo above is of the HO2S 12 engine wiring harness connector. This O2 sensor connector has round female terminals.
| Pin | Wire Color | Description |
|---|---|---|
| 1 | LT BLU/ORG | Heater 12 Volts |
| 2 | WHT/BLK | Heater Ground |
| 3 | ORG | Sensor Ground |
| 4 | RED/LT GRN | O2 Signal |
More 2.5L Ford Ranger Tutorials
You can find a complete list of tutorials here: Ford 2.5L Index Of Articles.
Here's a sample of the tutorials you'll find there:
- Ignition System Circuit Diagram (1998-2001 2.5L Ford Ranger).
- How To Test The TPS (1998-2001 2.5L Ford Ranger).
- How To Test The Blower Resistor (1998-2000 2.5L Ford Ranger).
- How To Test The Blower Motor Switch (1998-2000 2.5L Ford Ranger).
If this info saved the day, buy me a beer!
