I just bought my first RV! (First post). Disclaimer: I'm a noob. However, the used 2003 Fleetwood Tioga my wife and I picked up has a lot of cracked or out marker lights. I just replaced the first one tonight! These seem to work!
https://www.ebay.com/itm/14x-RED-AMBER-4-Led-Clearance-marker-Trailer-RV-Light-6-Diodes-surface-mount/371785590120?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
Used these to connect.
https://www.ebay.com/itm/100pcs-14-16-Gauge-Blue-AWG-Heat-Shrink-Butt-Wire-Connectors-Crimp-Terminals-US/173938372538?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649