Fuse Boxes - Auto Electric Supplies Ltd Auto Electrical Wiring Products for Modern, Classic & Vintage Vehicles. Basket: 0 Items | £0 Home; About; Fuse Boxes. Please choose from the product types shown below: Splashproof & LED Failure Lucas Fuse Box - 4FJ (540380.. £9 each Lucas Fuse Box - 6FJ (37409) Fuse Boxes & Relays - Classic & Vintage Car Parts from SVC 12V FLASHER RELAY LUCAS SFB105 TYPE with 3 LUCAR terminals. Price: £7 Lucas Fuse Box 7FJ Series 4 Fuse - Late MGB etc see details Lucas Fuse Box (4) Replace your old fuse box with a genuine Lucas one. Many electrical problems can be traced back to corroded clips or ones that have lost "temper". Easy replacement can cure many electrical problems.5/5(1) Automotive Fuse Box Repair, Car Fuse Box Replacement A Bosch fuse box type is often found in old makes and models (often they are European vehicles). It can be a 2-way or a 4-way fuse box. A Lucas fuse box, on the other hand, just might be the replacement you need if you are upgrading a vintage British-made automobile.