In part 1 of our Ballenger Series, we show how to install the Ballenger AFR500C O2 sensor. The Ballenger AFR500C Wideband comes as a complete, ready to use wideband system. You may be tempted to just get started plugging wires together and such, but we recommend looking at your vehicle as a whole first. Answer the following questions before you really get into the wires. How do you plan to use the wideband on this vehicle? Is it permanent in the vehicle or are you tuning for a short period and t