Can a fuse be partially blown?

Can a fuse be partially blown?

It seems to me that the fuse in a partially blown condition is behaving like a rheostat. First, and most commonly, when too many lights or plug-in appliances draw power from the circuit, it can overload the capacity of the fuse and cause the metal ribbon inside the fuse to melt through.

How does the battery disconnect switch work on a coach?

They are small loads but may in a weeks time completely discharge the battery. In our coach the battery disconnect switch activates a solenoid which switches the battery circuit on and off. You haven’t indicated the make, model and year of your coach so this may or may not apply to your situation.

Why is my power converter not working in my RV?

RV distribution center troubleshooting can show whether the electrical problem is in the wiring or the outlet itself or instead in the circuit breakers, which service the electrical system that feeds into your appliance. Who knows, the problem might be at the source in the campground or storage facility.

How to troubleshoot and repair RV electrical problems?

Troubleshooting often begins, and may well end, with resetting a breaker, replacing a fuse, or resetting a Ground Fault Indicator, and then seeing what happens. Older RVs tend to have fuses; newer ones, breakers. The fuses and breakers were placed in the system for two major reasons:

Why are the batteries on my coach going dead?

The engine alternator was simply providing the DC voltage while the engine was running. Regardless of the brand of motorhome, the brand and type of converter/charger installed and whether or not any disconnect devices are employed, it’s obvious the batteries are not receiving a charge while the coach is plugged in to shore power.

Why are the lights not working on my Winnebago Vectra?

I have 1994 Winnebago Vectra Diesel Pusher and I’m having trouble with the lights not working off the coach batteries. I can get all appliances and lights to work when I’m plugged in, but not when it’s unplugged.

They are small loads but may in a weeks time completely discharge the battery. In our coach the battery disconnect switch activates a solenoid which switches the battery circuit on and off. You haven’t indicated the make, model and year of your coach so this may or may not apply to your situation.

Why are the lights not working on my coach?

Sounds like a possible transfer switch or fuse issue. With the 12 volt lights working when on shore power means the charger is working. Look for a large fuse between the batteries and the charger 12 volt output feed to the positive coach battery terminal (s). With a meter you should read a voltage at the positive terminals.

You Might Also Like