1994-1995 Acura Legend Ignition Switch: Solving Intermittent No-Start & Stalling

Symptoms of a Failing 1994-1995 Acura Legend Ignition Switch

A faulty ignition switch on the second-generation Legend can cause a variety of confusing symptoms that often mimic other problems, like a bad battery or fuel pump. The failure is typically due to worn electrical contacts inside the switch, which create intermittent connections.

• Engine Starts, Then Immediately Stalls: The most classic symptom. The engine will crank and fire up when you hold the key in the 'START' position, but as soon as you release it back to the 'ON' position, the engine dies. This happens because the contact for the 'ON' circuit is worn and fails to keep the fuel pump and ignition system powered.
• Intermittent No-Start: You turn the key, and nothing happens, or the car cranks but won't start. You may try again later, and it starts perfectly. This is often caused by a poor connection inside the switch.
• Engine Stalls While Driving: The vehicle may suddenly shut off while you are driving, as the 'ON' circuit loses its connection. This can be extremely dangerous, as you will lose power steering and power brakes.
• Flickering Dashboard Lights: You may notice the instrument panel lights flickering or cutting out as you drive or when you jiggle the key.
• Accessories Don't Work: The radio, power windows, or climate control may not work in the 'ACC' or 'ON' position, even though the car may still start.
• Key is Hard to Turn or Stuck: While this can also be a problem with the mechanical lock cylinder, binding or stiffness can sometimes be related to the attached electrical switch.

Known Issues, Recalls, and Technical Service Bulletins (TSBs)

While many other Honda and Acura models from the 1990s and 2000s were subject to major recalls for faulty ignition switches, the 1994-1995 Acura Legend was not included in these specific campaigns. Searches of the National Highway Traffic Safety Administration (NHTSA) database do not show any recalls specifically for the ignition switch on these model years. However, the part is known to be a common failure point, with symptoms widely discussed by owners in online forums.

Part Variants: Electrical Switch vs. Full Lock Assembly

This is the most important thing to understand when buying a replacement part. There are two components, and often only one needs to be replaced.

• The Electrical Switch: This is the electronic component that actually fails. It's a small plastic and metal part that bolts to the back of the mechanical lock cylinder with two screws. It has a 7-pin connector that plugs into the vehicle's wiring harness. Replacing just this part is cheaper and allows you to keep your original keys. The common OEM part number for this is 35130-SP0-A11 or its successor, 35130-SP0-305.
• The Lock Assembly: This is the complete unit, including the metal housing, the mechanical lock cylinder your key goes into, and the electrical switch. The OEM part numbers for the full assembly are in the 35100-SP0-Axx series. You would typically only replace the entire assembly if the mechanical lock itself is damaged or you've lost all your keys. A replacement assembly will come with a new set of keys, which will not match your door locks.

Programming and Anti-Theft Information

The 1994-1995 Acura Legend does not have a chip-based immobilizer system that requires the ignition switch or key to be programmed to the vehicle's computer. The ignition system is a straightforward electrical circuit. This means you can install a replacement ignition switch (either the electrical portion or the full assembly) without needing any special programming or a visit to the dealer. It is a direct plug-and-play replacement. The keyless entry remote fobs do have a programming procedure, but this is entirely separate from the ignition system that starts the car.

Buying a Used Ignition Switch

For a vehicle of this age, a high-quality used OEM ignition switch is an excellent choice, often superior to a new, cheaply made aftermarket part. The contacts and materials in the original Acura parts are typically more robust.

• What to Buy: In most cases, you only need the electrical switch portion (part number 35130-SP0-A11 or 35130-SP0-305). This saves money and avoids the hassle of having separate keys for your ignition and doors.
• Physical Inspection: When inspecting a used part, check for any signs of melting or discoloration around the plastic housing or electrical connector, which could indicate overheating. Ensure the connector pins are straight and free of corrosion.
• Compatibility: The ignition switch is the same for 1994 and 1995 Acura Legend models.
• Why Used OEM is a Good Choice: Aftermarket switches can have lower quality internal contacts that may not last as long as an original Acura part. A used OEM switch from a lower-mileage vehicle provides factory-grade quality at a significant discount.

Cost Breakdown

Prices can vary, but here is a general estimate of what to expect.

Frequently Asked Questions (FAQ)