FUSE POSITIONAMPSCIRCUITS PROTECTEDA20AHeadlamp Flash-to Pass, Daytime Running Lamps (Canada Only)B-Not UsedC20AHorn, Speed ControlD25ATrailer Marker Lamps Relay, Trailer Backup Lamps RelayE15ABackup Lamps, Daytime Running Lamps (Canada Only), Trailer Battery Charge RelayF5ATrailer Right Stop/Turn LampsG5ATrailer Left Stop/Turn Lamps Ford Superduty 1993 Under The Hood Fuse Panel/Board – Fuse Symbol Map
