
Understanding Car Fuses and Fuse Box Symbols
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🔧 Ever wondered about the role of fuses in your car? These small yet essential components play a big part in protecting your car’s electrical systems. Let’s break it down:
✅ What is a fuse?
A fuse is an electrical component designed to safeguard your car’s devices from damage caused by high electrical current. Made of a metal wire that melts when the current exceeds a set limit, it prevents overload by cutting off power to protect the car’s electrical systems.
✅ Internal vs. External Fuses
Internal Fuses: Found under the car dashboard, these handle accessories like the ignition lighter and car lighting.
External Fuses: Located near the car battery, these protect critical systems like fuel and air conditioning.
✅ How to Check a Fuse:
- Turn off the car and lights.
- Open the fuse box and inspect for damage. Replace with a fuse of identical strength and color to avoid circuit issues.
✅ Common Fuse Box Symbols and Ratings:
P/WDW-LH: Left window fuse (30A).
RR HTR: Glass heater fuse (30A).
AUDIO: Cassette and clock fuse (10A).
START: Transmission and alarm fuse (10A).
…and more to explore in your car manual!
CarMaintenanceTips #ElectricalSafety #AutomotiveBasics

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