A fuse is an engineered weak link in your electrical system, designed to fail and protect your wires and electrical components when a short occurs. Fuses can prevent a vehicular meltdown Always use quality fuses rated for your electrical system component When adding electrical systems to your ride be sure to use fuses and or sub (remote) fuse blocks for protection Always use protection Be sure to use fuses or circuit breakers Fuse Rating Color 10 amp Red 15 amp Light Blue 20 amp Yellow 25 amp Natural 30 amp Green Replace fuses with the same amperage, when in doubt check it out (manual, common fuse chart or the manufacturer of the devise in question).