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Where is light chime fuse on 2003 dodge 350 4 dr cummins diesel?

There isn't a single "light chime fuse" in a 2003 Dodge Ram 3500 Cummins. The various warning lights and chimes are controlled by multiple fuses and the body control module (BCM). A malfunctioning chime or light could be due to a blown fuse, a faulty BCM, a wiring issue, or even a problem with the specific component the light is monitoring.

To troubleshoot:

1. Consult your owner's manual: This is the best place to start. The manual will have a fuse diagram showing the locations of all fuses and what circuits they protect. Look for fuses related to warning lights, instrument cluster, or the body control module.

2. Check the Power Distribution Center (PDC): This is usually located under the hood. Carefully inspect the fuses listed in your owner's manual that might relate to your problem. Use a test light to verify power to each fuse.

3. Check the interior fuse panel: There's usually another fuse panel inside the vehicle, often under the dashboard. Consult your owner's manual for its location and fuse diagram. Again, look for fuses related to warning lights, instrument cluster, or body control modules.

4. Consider the BCM: If all fuses appear to be good, the problem might be with the Body Control Module (BCM). This is a complex computer that controls many electrical functions, including warning lights and chimes. Diagnosing BCM issues often requires specialized tools and expertise from a qualified mechanic.

Because the chime and warning lights system is complex, if you're not comfortable checking fuses and electrical systems, it's best to take your vehicle to a qualified mechanic or auto electrician for diagnosis and repair. Incorrectly working with electrical systems can be dangerous.