
Check the interior electrical panel under the dashboard on the driver side first, as most lighting, radio, and accessory circuits are routed through this area. Use the cover label or printed chart to match each slot with its amperage rating, typically ranging from 10A to 30A. Pull each suspect element with plastic tweezers and inspect the metal strip for breaks to confirm failure.
The power distribution unit in the engine compartment handles high-load systems such as cooling fans, ignition supply, and charging circuits. Locate it near the battery and remove the protective lid to access larger cartridge-style links and relays. Pay attention to 40A–60A components, as these control major electrical paths and often fail under overload conditions.
Always replace a blown element with the same amperage value to avoid wiring damage or repeated faults. If multiple circuits stop working at once, trace shared connections using a printed layout and test voltage at each contact point. Use a multimeter set to DC voltage mode to verify power presence before and after each slot, ensuring accurate diagnosis.
1997 Plymouth Voyager fuse box diagram with panel locations and circuit details

Locate the cabin electrical panel beneath the driver side dashboard and remove the plastic cover to access labeled slots tied to interior systems. Typical assignments include 10A for dome lights, 15A for radio circuits, and 20A for power outlets. Each slot number corresponds to a printed layout on the cover, allowing quick identification without disassembly.
The engine compartment distribution unit sits close to the battery and contains high-current links and relays. Lift the lid to reveal larger cartridge-style elements rated between 30A and 60A, which manage cooling fans, ignition supply, and alternator output. These components are arranged in rows with molded identifiers next to each position.
Use the layout chart to match each circuit to its function before testing, especially for shared lines such as HVAC controls and windshield wipers. A single blown element can disable multiple features, so tracing connections through the printed scheme helps isolate the correct slot.
Check voltage at both terminals of each slot using a multimeter; a reading on only one side indicates a broken internal link. For relays, listen for a click during ignition switch activation, confirming proper operation of switching components tied to major systems.
Pay attention to grouped circuits in the cabin panel, where accessories like interior lighting, instrument cluster, and audio system share adjacent positions. This grouping simplifies diagnostics by narrowing fault zones to a specific section.
Replace damaged elements with identical amperage ratings and verify operation immediately after installation. If failure repeats, inspect wiring harnesses and connected devices for short circuits or excessive load rather than swapping parts repeatedly.
Interior fuse box location under dashboard and slot identification guide
Reach under the driver side dashboard and remove the lower trim panel to access the interior electrical block, typically mounted to the left of the steering column. Use a flashlight to clearly see slot numbers molded into the plastic housing. Pull the cover straight out to reveal a printed legend that maps each position to systems like interior lights, radio, wipers, and power sockets.
Match each slot by number and amperage before removing any component to avoid confusion during reinstallation. Follow this quick identification method:
- 10A–15A positions control lighting, dashboard indicators, and audio circuits
- 20A slots handle accessories such as power outlets and wiper motors
- Clustered positions group related systems, making fault tracing faster
- Plastic puller tool inside the cover helps remove elements without damaging contacts
Check both metal terminals inside each slot for voltage using a multimeter to confirm power flow and pinpoint interruptions accurately.