Ducato Side marker lights

[NPlusM]

Would there be anyone out there that can tell me if the side marker lights on a 17 plate German made Ducato Motorhome has a fuse.
I replaced a side marker just behind the drivers door and now none of them work.
I thought it would be just a straight swop like for like type of thing.
Red & black to white, black to brown.
Please bear in mind I know about electrics.
I have checked all the fuses under the dash board, the only ones that I haven't checked are the one by the door pillar.
Thanking anyone in advance

 

[NPlusM]

I traced the cable back up into the drivers door pillar and spotted this fuse, it had blown. There are two side by side at the top of the aperture, it looks nothing like the other fuses.
Hope this may help if anyone get another problem regarding side markers

 

[Lenny HB]

Have used the correct type of bulb i e. if a led replaced with a led.

 

[NPlusM]

These are all LED sealed units.
I know nothing about electrics, ok to replace a component that's it.

 

[Lenny HB]

I take it then you replaced like for like, double check your connections, sounds like you have broken the circuit.

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[NPlusM]

Yes it was a warranty claim. Seems to be working ok now