
Check the main under-hood panel to identify circuits controlling the ignition system, headlights, and cooling fan relays. Each slot is marked with amperage values for precise component replacement.
Test each terminal with a multimeter to confirm continuity and current flow before swapping any element. Clean corroded connectors to maintain reliable operation and prevent intermittent faults.
Inspect interior panels for circuits supplying cabin electronics such as dashboard indicators, power accessories, and climate controls. Remove the protective cover by releasing clips and screws to access terminals.
Document wire positions with labels or photos before disassembly. This ensures accurate reinstallation and reduces the risk of electrical miswiring or repeated failures.
Electrical Panel with Slot Locations Ratings and Functions

Access the main under-hood panel to inspect circuits powering the starter, headlights, and cooling fans. Each slot is labeled with its amperage, allowing fast identification of components that need replacement.
Use a multimeter to check continuity before swapping any element. Confirming proper current flow prevents damage to sensitive modules and helps isolate the source of electrical issues.
Interior panels control circuits for cabin electronics including dashboard indicators, power windows, and climate systems. Remove the cover by releasing clips and screws, then examine terminals for corrosion or heat marks.
- Starter relay – 30A
- Ignition relay – 25A
- Headlight circuit – 15A
- Cooling fan relay – 40A
Document wire positions with labels or photos during removal to ensure correct reinstallation. Accurate tracking reduces errors, prevents miswiring, and maintains reliable operation of all systems.
Locating Engine Compartment Circuits and Relays
Inspect the under-hood electrical panel to quickly identify circuits controlling the starter, ignition system, headlights, and cooling fans. Each terminal is labeled with its amperage and function for accurate component replacement.
Test each relay and terminal with a multimeter to confirm continuity and current flow. Clean any corroded contacts to maintain proper operation and prevent intermittent failures.
- Starter relay – 30A
- Ignition relay – 25A
- Headlight circuit – 15A
- Cooling fan relay – 40A
- Horn and auxiliary circuits – 10A
Document wire positions using labels or photos before removing terminals. This ensures correct reassembly and prevents miswiring that can cause shorts or component damage.
- Turn off all electrical loads before inspection.
- Release the retaining clips and screws to access terminals.
- Check for discoloration or heat damage on connectors.
- Replace defective relays with identical amperage ratings only.
- Reinstall panel and test each circuit sequentially to verify functionality.