Ford Oxygen Sensor Wire Diagram. Sensor 1 is the heated o2 sensor unit located upstream of the catalytic converters. The sensor is a small square with two vacuum hoses on the bottom and a wire harness coming out from the side.
You can find this tutorial in spanish here. Transmission control module tcm 34. The pcm will then calculate the required fuel injector pulse width in order to provide the desired airfuel ratio.
Using a fuse with a higher amperage rating can cause severe wire damage and could start a fire.
Auxiliary power socket rear console 32. Its called an upstream or sensor 1. Auxiliary power socket rear console 32. This wire hooks directly to the sensors only and not to the engine block it.