Nighttime driving may not be something we often do with our classic Mopars, but wouldn’t it be enjoyable to have the best lighting available when low-light driving is necessary? Over the years, many vehicles have been updated with halogen headlamps. Of these cars, most have not had the wiring improved. The factory wired the headlamp switch in series with the parallel-wired headlamps. The series section of the circuit required the headlamp switch to flow the total circuit amperage. Any resistance in the circuit caused a decrease in voltage available to each headlamp.

Read the whole story at Mopar Connection Magazine HERE: