VW Battery Fuse Box | eBay Battery Fuse Box Assembly For VW Beetle Jetta Bora Golf MK4 A3 Octavia Seat Leon Toledo 1J0 937 617D 1J0 937 773. VW Beetle 2002-2010. VW Jetta MK4 1999-2005. VW Bora MK4 1999-2005. 11 Volkswagen CC Battery Overload Protection Fuse Relay Box Trip Switch OEM ***FREE SHIPPING***__R58255__3C0937548. $50. electrical - Fuse box above battery melting - Motor I have a 2001 VW Beetle which has a nasty habit of melting the above battery high voltage fuse box. I've replaced it three times already and replaced the alternator as well, but I'm at a complete loss as to what's causing the problem.As I understand it, there was a fundamental redesign in the cars from around 2002 onwards. Unfortunately that doesn't help you but I wonder if it..Best answer · 12I had to deal with this problem some years ago on a VW. What I noticed is that the fusible link ran slack, causing the connection to arc and as a r..7Replace the wire between the alternator and the fuse box. It's called the alternator harness , but I haven't found it for sale online. It is ju..6I have a 2005 Golf MKIV and it did this also. Lost a/c, fans, overheated. The B+ wire from the alternator to the battery appears to be too small a..3An overheated electrical connection has but one cause, resistance to electron flow. Find the cause of this and fix it. The test for this is volta..2The B+ wire is likely alright if you noticed it on time, but the problem is due to the drained battery and the bad connection around the fuse. If i..0Replace the box. Get a 49" #4 battery cable from parts supply house. The wire will have eyelets on each end. Use one eyelet and remove the other..