Denali Rear T3 Wiring Adapter Harley-Davidson Pan America 1250 This wiring adapter enables plug-&-play connection between our Rear T3 Switchback Turn Signals and the Harley-Davidson Pan America 1250. To install, simply plug the white connectors to the T3s and the remaining connectors in line at the Pan America rear turn signals and brake lights. Features: Plug & play connection Requires Denali T3 Rear Switchback LED Turn Signal Pods (sold separately)