I checked the bulb and it works. Dodge ram truck 1500/2500/3500 workshop & service manuals, electrical wiring diagrams, fault codes free download. The top one is the four way flasher and below is if the flasher relay on a 2001 dodge ram 1500 keeps blowing, a person can use a multimeter to find out where the short is in the wires.
2001 dodge ram turn signal wiring diagram