Fuse Location

[Ukbandit]

Does anyone know where the fuse for the rear lights is located on a Fiat please, the Fiat manual is as clear as mud!!

 

[dunnah01]

Probably Fuse No 58 (10a) under dash

 

[airwave]

I maybe able to help with a 2000 fiat , but you've not stated a vehicle year .

However , i would add , it's unlikely the rear lights are fused separately , normally it's with the side lights . So if you have sidelights on the front , i doubt it's the fuse . More likely it's an earth on the back end .

 

[Ukbandit]

I maybe able to help with a 2000 fiat , but you've not stated a vehicle year .

However , i would add , it's unlikely the rear lights are fused separately , normally it's with the side lights . So if you have sidelights on the front , i doubt it's the fuse . More likely it's an earth on the back end .

It’s a 2018 Aclass front side lights work, all marker lights down both sides work, brake lights, fog lights, and indicators okay, but back side lights and top marker lights are out.

 

[GeoffnDee]

If you have a Schaudt AD 01 12v. electrical adapter box fitted it may have fuses in it for these lights.

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[airwave]

Och , it does sound like a fuse , but i've never come across such an arrangement in 40 years , and that includes heavy trucks . Of course you have gotta check for a fuse , but i'm sorry me ole mucker , this is sounding more like wiring to me . Funny thing though , I'm pretty sure my Hymer side markers are fed from the rear cluster . I don't have top markers , but i would certainly expect them to also be fed from the rear cluster . I'm re-lamping my slide out bike rack right this minute .
I would further suggest the earth is unlikely to be the culprit in this case , though . On my van it's a common earth , and supplies the lot . This leaves just the positive , and of course that should blow the fuse , when it earths out . Unless the outer insulation it unbroken .

Look , forgive me for this , but you have checked the bulbs , ent ya . Yeah i know , but i gotta ask , because a car of mine failed the mot back in the 80's , with no brake lights .
When i got it home , i started ripping it apart , thinking it had to be the switch . However when i finally tracked it down , it turned out to be , yep you guessed it , the bloody bulbs . Both of them , and i kid you not !

 

[Lenny HB]

I'm not sure if there are any fuses for the side lights. There aren't any for the indicators they rely on the electronics shutting down in the CANBUS modules.

 

[Ukbandit]

Thanks yes checked the bulbs.

 

[airwave]

Thanks yes checked the bulbs.

well done mate . I know it's a go too , but when both go down , it's only natural to think in a different direction .

Okay well , so i've just looked in my manual , there are two fuses 9 &10 for each headlight , main beam , left and right . 7&8 dipped beam , again left and right . 5 is front left side and tail light , but includes heater and switch light , and 6 is right , with instrument and number plate light being included here . A multimeter (amp meter) is also listed on fuse 6 , but marked option , my van doesn't have one fitted .
I do have a strange one , in that the rear appears to be fused separately on the minibus/combi . It's marked as tail lights , so i would guess that means both . Numbered as fuse 11 , 15 amp , with nothing else listed for that fuse .
Fuses 9&10 are 10 amp ,
7&8 are also 10 amp ,
5&6 are 7.5 amp .
All lighting appears to be confined , to fuses 5-10 , except for the minibus which unusually appears to have fuse 11 included .

 

[Ukbandit]

well done mate . I know it's a go too , but when both go down , it's only natural to think in a different direction .

Okay well , so i've just looked in my manual , there are two fuses 9 &10 for each headlight , main beam , left and right . 7&8 dipped beam , again left and right . 5 is front left side and tail light , but includes heater and switch light , and 6 is right , with instrument and number plate light being included here . A multimeter (amp meter) is also listed on fuse 6 , but marked option , my van doesn't have one fitted .
I do have a strange one , in that the rear appears to be fused separately on the minibus/combi . It's marked as tail lights , so i would guess that means both . Numbered as fuse 11 , 15 amp , with nothing else listed for that fuse .
Fuses 9&10 are 10 amp ,
7&8 are also 10 amp ,
5&6 are 7.5 amp .
All lighting appears to be confined , to fuses 5-10 , except for the minibus which unusually appears to have fuse 11 included .

So would they be located in the fuses under the steering wheel?

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[airwave]

So would they be located in the fuses under the steering wheel?

Well first off , my van is a much older . A year 2000 fiat . It's also a left hooker and my fuse box is in the glove box . Now , at first , it may seem like i'm giving you useless information , however it's not unusual for the same fuse numbering to be used through different models . I also listed fuse sizes , which is also commonly maintained , so should further aid location .
Lighting fuses will always be in the main fuse box . It's an essential item , which may need instant attention . They warrant a prominent location , with easy access . To be honest , i'm unfamiliar with your age van , so i can't be sure where your fuse box is , but my hunch is yes . There will only be one main fuse box , though it's not unusual for a smaller secondary one somewhere else .
If one is fitted , this will normally house fuses for options , sometime front fogs , maybe an engine option like coolant pre-heater , sometimes air con , or commonly in our case , a fridge . But lights , and things like windscreen wipers will always be in the main fuse box .

 

[GeoffnDee]

If it is any help there is a lot of information regarding the Fiat conversions electrical systems in Resources on the top blue line of this page , it is on page two in the Manuals for motorhomes stuff section.
If you do not have the Schauld fused adapter unit I have mentioned , the only link between the side lights and marker lights at the rear seems to be a possible earth one. or maybe a multi-plug connector.(the body control module does seem to control the marker lights ,as well as the rear lights , but as some are working I assume that that connection is ok)

 

[Reallyretired]

Although my mh is totally different. The top rear corner lights and the side markers are on the number plate fuse, not the sidelights. Could be worth looking further.

 

[Ukbandit]

Apparently they have no fuses for the lights on a canbus system, but I can report that after removing the bulb holders from the lenses, then replacing them all four lights came on, must have been a dodgy earth to have taken all four lights out at once.