Citroën C4 Picasso II (2013-2018) < Fuse Box diagram Fuse box diagram (location and assignment of electrical fuses) for Citroën C4 Picasso II (2013, 2014, 2015, 2016, 2017, 2018-) Citroen C4 Picasso mk1 (2006 - 2013) - fuse box diagram Mar 04, 2016Citroen C4 Picasso mk1 (2006 - 2013) - fuse box diagram C4 Picasso under bonnet fusebox - French Car Forum Nov 07, 2014C4 Picasso under bonnet fusebox. This is the Forum for all your Citroen Technical Questions Google suggests this is probably caused by a failure of the underbonnet fuse box (although failed wiring at the back of the battery is also possible). most of the C4 Picasso fuse boxes are £50 + vat. Top. RichardW Forum Treasurer Posts: 8630 Citroen C4 Fuse Box | eBay Fuse box kits are available for all Citroen C4 models and the kit comprises the complete set of replacement fuses for all fuses present in any Citroen C4 fuse box. Top-rated eBay sellers offer new boxes that carry the complete set of fuses for Citroen C4 models.