Dodge Repair: 2001 Ram 1500 headlamp bulb replacement, headlamp bulb, negative cable

Question
The bulb is out on the driver's side on my 2001 1500 pickup. How do I replace both driver and passenger sides?

Answer
REMOVAL
On the driver side, the battery and battery tray must be removed to service the headlamp bulb.

Disconnect and isolate the battery negative cable.
Remove the battery tray (Refer to 8 - ELECTRICAL/BATTERY SYSTEM/TRAY - REMOVAL).
Disengage wire connector from headlamp bulb(s).
Remove retaining ring holding bulb(s) to headlamp (Headlamp Bulb).
Pull bulb(s) from headlamp.