Power Distribution Center Step 2 - Inside the PDC are many heavy and light duty fuses which protect various circuits which demand a specific amperage.
Heavy w/Light Duty Fuses Step 3 - All fuses are designed with an element which will melt if the circuit amperage exceeds the fuse rating.
80 Amp Fuse Element
30 Amp Fuse Step 5 - Fuse power is supplied by the positive battery cable which is attached to the positive side of the battery.
Fuse Power Feed Step 6 - To remove a fuse for inspection a tool is used which is usually supplied in the PDC.
Fuse Removal Tool Step 7 - When a fuse element blows the continuity between the two terminals is broken which protects the circuit from damage.
Blown Fuse Helpful Information A fuse is designed to blow in the event of a circuit overload stopping the voltage flow. Most power distribution centers are located under the hood or dash. Heavy duty fuses are used to supply voltage to sub electrical systems which then power many smaller accessories. Use a test light to check a fuse condition. If a blown fuse is discovered replace with equal amperage rating. Common Problems
- Higher than recommended fuse can cause wiring damage.
- A fuse can cause intermittent shorts by becoming loose, melted or corroded in the fuse holder.
- Bare wire causing the constant short circuit