Citroen C5 radio system not working

Is there another fuse possibly engine bay to check

You checked fuse F8 in fuse box C ? Fuse box under dashboard (Box A) Citroen C5 mk2 - bezpieczniki - tablica rozdzielcza - skrzynka A Citroen C5 mk2 – fuse box- under dashboard – box A Symbol Ampere rating [A] Function G29 — Not used G30 5 Heated rear view mirrors G31 5 Rain and brightness senso G32 5 Seat belt not fastened warning lamps G33 5 Electrochrome rear view mirrors G34 20 Sun roof G35 5 Passenger door lighting – Passenger rear view mirror adjustment G36 30 Electric tailgate (tourer) G37 25 Heated front seatsprzednie podgrzewane G38 25 Driver’s electric seat G39 40 Passenger’s electric seat – HIFI amplifi er G40 3 Trailer relay unit supply Dashboard fuses (Box B) Symbol Ampere rating [A] Function G36 15 6 speed automatic gearbox 5 4 speed automatic gearbox G37 10 Daytime-running lamps – Diagnostic socket G38 3 ESP G39 10 Hydraulic suspension G40 3 STOP switch Dashboard fuses (Box C) Citroen C5 mk2 - bezpieczniki - tablica rozdzielcza - skrzynka C Citroen C5 mk2 – fuse box – (Box C) Symbol Apmere rating [A] Functions F1 15 Rear screen wiper (Tourer) F2 30 Locking and deadlocking relay F3 5 Airbags F4 10 Automatic gearbox – Additional heater unit (Diesel) – Electrochrome rear view mirrors F5 30 Front window – Sun roof – Passenger door lighting – Passenger rear view mirror adjustment F6 30 Rear window F7 5 Vanity mirror lighting – Glove box lighting – Interior lamps F8 20 Radio – CD changer – Controls at the steering wheel – Display – Tyre defl ation detection F9 30 Cigar-lighter – Front 12V socket F10 15 Alarm – Controls on the steering wheel, signalling and screen wipe control F11 15 Low current anti-theft switch F12 15 Driver’s electric seat – Instrument panel – Seat belt not fastened warning lamps – Air conditioning controls F13 5 Engine relay unit – Hydraulic suspension pump cut-off relay – Airbag ECU supply F14 15 Rain and brightness sensor – Parking assistance – Passenger’s electric seat – Trailer relay unit – HIFI amplifi er ECU – Handsfree kit – Lane Departure Warning System F15 30 Locking and deadlocking relay F17 40 Heated rear screen – Exterior heated rear view mirrors FSH SHUNT CUSTOMER PARK SHUNT Fuse box in engine compartment Citroen C5 mk2 - bezpieczniki - komora silnika Citroen C5 mk2 – fuse box – in engine compartment To access the fusebox in the engine compartment, undo each screw a 1/4 turn. Symbol Ampere rating [A] Function F1 20 Engine control unit F2 15 Horn F3 10 Screen wash pump F4 10 Headlamp wash pump F5 15 Starter F6 10 Air fl ow meter – Directional headlamps – Diagnostic socket F7 10 Automatic gearbox lever lock – Power steering F8 25 Starter F9 10 Clutch switch – STOP switch F10 30 Starter F11 40 Air conditioning blower F12 30 Wipers F13 40 BSI supply (ignition on) F14 30 — F15 10 Right-hand main beam F16 10 Left-hand main beam F17 15 Right-hand dipped beam F18 15 Left-hand dipped beam F19 15 Starter F20 10 Starter F21 5 Starter Fuses on the battery (all engines except V6 HDI) To access the fusebox located on the battery, detach and remove the cover. Symbol Ampere rating [A] Function F6 25 Rear 12V socket (max power: 100W) F7 15 Foglamps F8 20 Additional burner (Diesel) F9 30 Electric parking brake

Have checked fuse in glove box that's ok. Have took out the radio and can't see anything wrong. I've just bought the car second hand and the dealer said it keeps blowing a fuse about every 6 months but the fuse is ok. Could it be something to do with the tow bar?

Have a read at this , might help https://asacannes.com/en/comment-allumer-la-radio-sur-citroen-c5/