One problem related to ignition module has been reported for the 2003 Dodge Ram 1500. The most recently reported issues are listed below.
: the contact stated while starting the vehicle the blower motor failed. The vehicle was taken to the dealership where they determined the ignition module was burned on one end. The wiring was melted due to the wiring being too small. The wiring overlay harness, wiring and ignition switch were replaced, which remedied the problem.