
Access the under-dash power module on the driver’s side to view all circuit protectors controlling lighting, ignition, and auxiliary systems. Each slot is marked with amperage values and a number corresponding to its assigned module.
Inspect each link visually before testing. Look for melted connectors, discoloration, or corrosion at terminals, which indicate potential failure even if the panel shows no blown indicators.
Replace a damaged component with one of matching rating to maintain proper protection. Using a lower rating can cause frequent interruptions, while a higher rating may bypass safety measures.
Refer to the legend printed on the cover to identify slots controlling engine electronics, interior lighting, climate control, and auxiliary modules. Correct identification prevents accidental disconnections during troubleshooting and maintenance.
Electrical Panel Layout with Circuit Locations and Functions

Access the main under-dash panel on the driver’s side to identify each protective component. The cover includes a key showing amperage ratings and the system each slot controls.
Typical slot assignments include:
- Slots 1–3: Engine management and ignition circuits
- Slots 4–6: Interior lighting and instrument cluster
- Slots 7–9: Climate control, audio, and auxiliary systems
- Slots 10–12: Safety modules and power accessories
Inspect each element visually for burned metal strips, loose connectors, or corrosion. These indicators often point to an underlying electrical problem even when systems appear functional.
Test continuity with a multimeter before replacing a component. Remove the element, set the meter to resistance mode, and confirm a closed circuit without resistance for proper operation.
High-current slots are located in the engine compartment to protect alternator, battery, and primary ignition circuits. They are larger and easier to access for inspection or replacement.
Maintain a log of each slot’s function and any replacements performed. This reduces troubleshooting time and prevents accidental removal of the wrong component during maintenance.
Keep spare protective elements on hand with matching ratings. This allows immediate replacement if a component fails during vehicle operation, reducing downtime and preventing electrical interruptions.
Locate and Identify Circuit Protectors in the 200 Panel

Open the driver-side under-dash panel to access all protective components controlling engine, lighting, and accessory circuits. Each slot is numbered and labeled with the amperage rating and the system it governs.
Use the printed legend on the cover to identify which element controls which module. For example, slots 1–3 typically handle ignition and engine electronics, slots 4–6 manage interior lighting and instruments, and slots 7–9 cover audio, climate, and auxiliary systems.
Visual Inspection and Testing

Examine each connector and strip carefully for signs of burning, melted metal, or corrosion. Testing with a multimeter for continuity confirms the integrity of each circuit before replacement.
Replacement and Maintenance Tips

Replace any damaged component with an identical amperage rating to prevent overheating or circuit interruption. Keep spare protective elements on hand to allow immediate replacement during unexpected electrical failures.