RAM 4500 Chassis Cab Truck 2WD L6-6.7L DSL Turbo (2008)
Oxygen Sensor Relay: Diagrams
2007-2009 Ram truck, 6.7L, use an O2 module for oxygen sensor heater control.
The oxygen sensor module (1) is located under the vehicle. It is bolted to the outer side of right frame rail (4).
