Fuse Box question

Hi Jeff , I have a '72 Scamp , which is a Dart with a duster nose . 7 position fuse holder , here goes starting from the left or the bottom of the panel : Inst. (instruments) 3A: brake 3A; horn/tail 20A; cl/tr Dome 20A; radio/backup 20A; A/C 20A; Acc 30A . I have no idea what cl/tr is . Hope this helps . Later, Tom