Modern car fuses are usually reliable, but when they go the problems start. Which fuse has blown? Where is it in the fuse box? Have I got a replacement? Do I need to call the AA or RAC, or worse, face a garage bill. The answer is simple. Invest in a new Gunson Car Fuse Kit (Part No. 77010). replace the existing fuses in your car and next time there is a problem, let this clever piece of insurance immediately show which fuse has blown, because it lights up so identification is immediate and possible problens can then be investigated. The Gunson Car Fuse Kit contains seven of each 5, 10, 15, 20, 25 and 30 amp fuses plus a handy fuse remover - another simple solution to a technical problem from Gunson.