Fuse box diagram for 1986 buick regal - Fixya Jan 26, 2014Fuse box diagram for 1986 buick regal. You may want to use a test light to check for voltage at the blower motor plug. To see if current is going to the fuse. Check the other fuses too. since they are linked in parallel to the the acc auto climate . I need the diagram of a fuse box in a 1986 Buick regal. Sep 27, 2014 | 1986 Buick Regal I need the diagram of a fuse box in a 1986 Buick - Fixya Sep 27, 2014Fuse box 1 is inside the car on the end of the right side of the dashboard. Map for fuse box is on the inside of the cover. Fuse box 2 is under the hood. Black rectangle with 1h knob that holds lid on. remove lid and more fuses and relays. The map for this fuse box is also under the lid.