No, Ed Gein did not help law enforcement catch Ted Bundy. This claim was popularized by the Netflix series Monster: The Ed Gein Story. In the show, FBI investigators visit Gein in a psychiatric institution, seeking his help in finding a serial killer later revealed to be Ted Bundy. There is no evidence this happened. FBI agent John Douglas did talk to Gein as part of early efforts to develop criminal profiling techniques. However, he said that Gein was “so psychotic that it really wasn’t much of an interview.”
Ted Bundy’s eventual capture was largely by chance. In 1975 he was pulled over by a Utah policeman for driving suspiciously after a short car chase. During a search of his vehicle, questionable items were found, notably a ski mask and handcuffs. He was taken into custody, and an investigation later linked him to an attempted kidnapping and multiple murders. Bundy escaped from prison twice before his final arrest in 1978.