Recently bought 4 new LED bulbs to replace the incandecent ones for interior lighting in a truck camper. They are the wedge type 921 bulbs. The problem is they shut down after about 15-20 minutes. The...
Try hooking up a 67 ohm resistor on one of the lamps and check the voltage on the other fixtures without the resistor and you will be surprised at the difference.
Of course you can get a replacement but it is much cheaper with a ten cent resistor from Radio Shack...and save the other LEDs.
You did not ask OP what kind of converter type he has. Was it Old School or Hi Tech.
Wonders of the internet. . . everyone turned into experts overnight.
About Technical Issues
Having RV issues? Connect with others who have been in your shoes.24,369 PostsLatest Activity: Mar 11, 2026