Uniden LRD 766 - Manual (Page 13)

REPLACING THE FUSE
The cigarette lighter plug contains a 1-ampere fuse to protect it
from power surges.
1. To replace the fuse, unscrew the top of the plug.
2 Remove the fuse and replace it with the same type.
3. To replace the top, push in the two metal contacts and twist
into place.
12
Press In