There are 3 different gpi files that can be found in the Donor - Redlight/Speed Cameras/Traps section
Redlight/Speed Traps Custom POIs - contains both redlight cameras & speed traps and cameras
Redlight Custom POIs - contains only redlight cameras
Speed Traps Custom POIs - contains only speed traps and cameras
Download the appropriate gpi file then connect your GPS to the PC and copy the gpi file into the POI folder inside the Garmin folder (if the POI folder is not in the Garmin folder then create it)