NOTE: The low beam connector on the Meyer adapter can be connected in either polarity to the Toyota Tundra OE wiring harness connector. But the connector must be connected so that the Meyer adapter blue wire aligns with the Toyota Tundra OE connector black/white wire. This process needs to be observed for both passenger and driver side adapters. Failure to have the connector inserted correctly can lead to changeover module internal fuse blowing/activation.