
Locate the primary power distribution block behind the glove compartment or under the hood, depending on the model year. Each slot is assigned to a specific circuit, from lighting to climate control. Referencing the numerical identifiers on the cover can prevent accidental overloading.
Use the reference chart printed on the inner side of the cover to match each circuit with its corresponding amperage. Smaller components like interior lamps typically rely on lower ratings, while the ignition system and audio modules draw higher currents. Marking your observations during inspection helps track which circuits have been serviced.
When replacing blown components, always compare the old unit’s rating with the new one. Variances in milliamperes can damage sensitive electronics. Keep a compact tester to verify continuity and prevent repeated faults before reassembling the panel.
For troubleshooting electrical anomalies, identify each branch with a labeled map of the panel layout. Document any changes for future maintenance, particularly if aftermarket accessories have been added. Accurate mapping reduces diagnostic time and ensures safe operation of all systems.
Maintenance intervals should include a visual check of the connectors for corrosion or loosened terminals. Applying dielectric grease can prolong component lifespan and prevent intermittent failures during seasonal temperature swings.
Chevy Malibu Fuse Diagram

Locate the power distribution center under the hood near the battery for quick access to electrical protection points. Remove the cover and refer to the labeling on the interior for exact positions of each component.
Front compartment contains circuits for headlights, horn, and radiator fan. Each slot is marked with amperage ratings ranging from 10A to 40A. Avoid swapping placements to prevent short circuits.
Cabin panel is mounted on the driver’s side, behind the lower dash panel. Slots here control the audio system, interior lighting, and HVAC relays. Use a test light to verify a malfunctioning slot before replacement.
- 10A: instrument cluster, cigarette lighter
- 15A: power seats, mirrors
- 20A: rear wiper, sunroof
- 30A: ABS module, fuel pump
Always inspect terminals for corrosion before inserting a new protective link. Bent or oxidized contacts can cause intermittent electrical faults even if the component itself is fine.
For higher-current circuits like cooling fans or the ignition system, locate the maxi protection near the battery. These are often 40A–60A and include integrated relays.
Replacement requires a push-in style component rated precisely for the slot. Keep a pocket-sized reference chart of amperages inside the cover to prevent mistakes during roadside troubleshooting.
Locate Your Vehicle’s Electrical Panel

Check beneath the dashboard on the driver’s side; the access panel is usually clipped along the lower edge near the left kick panel. Press the release tabs to swing it open and reveal the collection of protective elements.
Under the hood, another compartment sits close to the battery. Lift the cover to find a layout of miniature circuit protectors arranged in rows. Each slot is numbered and often labeled for its corresponding system.
Tip: Use a flashlight to read the markings on each holder. Some may be faint, and proper illumination ensures accurate identification without removing multiple components unnecessarily.
The glove compartment sometimes houses a compact block for secondary circuits. Open it fully, and press in the sides to release a hidden tray, which can contain safeguards for auxiliary electronics and lighting.
Pro advice: Keep a reference chart in the glove box. This allows quick cross-checking of each element’s rating and purpose, minimizing trial and error during inspection or replacement.