1982-1987 Nissan Sentra Ignition Switch: A Comprehensive Replacement Guide
Stalling, starting problems, and dead accessories could all point to this one critical part in your Sentra.
- Engine stalling while driving is a critical symptom of a failing ignition switch on this Sentra.
- For this vehicle, the ignition switch is a separate electrical part from the keyed lock cylinder.
- Aftermarket brands like Standard Ignition are the only practical source for a new part, as OEM is unavailable.
- Replacement is a straightforward DIY task that requires removing the steering column covers and basic hand tools.
Is Your Sentra's Ignition Switch Failing?
A failing ignition switch in an older car like the 1982-1987 Nissan Sentra can cause confusing symptoms. Problems often start intermittently, making them hard to diagnose. You might think you have a bad battery or starter, but the switch itself is a common point of failure due to age and constant use. One of the most serious symptoms is the engine stalling while driving, which can happen if the switch's internal contacts lose connection over a bump.
Common Symptoms of a Bad Ignition Switch
- Engine Stalls While Driving: This is a critical safety issue. The engine may cut out suddenly, especially when driving over rough roads, as vibrations can cause the worn switch to lose its connection.
- Car Won't Start: You turn the key and nothing happens—no clicking, no cranking, just silence. This can mean the switch isn't sending power to the starter relay or solenoid.
- Starts and Immediately Stalls: The engine may fire up in the 'START' position but die as soon as you release the key to the 'ON' position. This indicates the switch isn't maintaining power to the ignition or fuel systems.
- Flickering Dashboard Lights & Gauges: You may notice the dash lights flicker or gauges drop out randomly as the switch struggles to maintain a solid electrical connection.
- Accessories Don't Work: The radio, wipers, or heater fan may not turn on, or may cut in and out. This can happen if the 'ACC' or 'ON' positions of the switch have failed.
- Key is Hard to Turn: While often a sign of a worn lock cylinder, binding can also be related to the ignition switch assembly it connects to.
Known Issues for This Generation
While no official recalls or Technical Service Bulletins (TSBs) exist for the ignition switch on the 1982-1987 Sentra, owners in forums have reported hard-to-diagnose stalling issues. A common complaint for cars of this era is intermittent stalling after the engine has warmed up, which could be caused by heat-related failure within the aging switch or other ignition components.
Choosing the Right Aftermarket Part
For a vehicle from the 1980s, new Original Equipment Manufacturer (OEM) parts are generally no longer available from Nissan. The most practical and common solution is a new aftermarket part. The quality of aftermarket parts can vary, but for a simple component like this, reputable brands offer reliable replacements.
- Standard Ignition (SMP): A very well-known and long-standing aftermarket brand. They are generally considered a reliable, quality choice for electrical components. Forum users often report good experiences with their products.
- Rostra Powertrain: Another available aftermarket brand. While they produce a wide range of automotive parts, there is less specific customer feedback available regarding the quality and longevity of their ignition switches compared to Standard.
Pro Tip: For this Sentra, the ignition switch is the electrical part, while the lock cylinder is the mechanical part your key goes into. They are often sold separately. Before ordering, confirm which part you need. If your key is hard to turn, the problem might be the lock cylinder. If you have electrical issues like stalling, the ignition switch is the more likely culprit.
Replacement Cost Comparison
The ignition switch itself is an inexpensive part. Labor at a repair shop will be the biggest part of the cost, but this is a job many owners can do themselves to save money.
| Part Type | Estimated Cost | Notes |
|---|---|---|
| New Aftermarket | $20.75 - $60.27 | This is the most common and recommended option. Brands like Standard Ignition are widely available. |
| New OEM | Not Available | These parts have been discontinued by Nissan for many years. |
| Used OEM | $15 - $40 | Available from junkyards, but carries risk. The used part may be near the end of its own life. |
| Shop Labor | $100 - $250 | Expect 1-2 hours of labor at a professional repair shop. |
Frequently Asked Questions (FAQ)
Can I replace the ignition switch myself?
Yes, this is a very feasible DIY job for someone with basic tools. The process typically involves disconnecting the battery, removing the plastic covers around the steering column, unscrewing the old switch, unplugging its electrical connector, and installing the new one. Always disconnect the negative battery terminal before starting.
How do I know if it's the ignition switch or a bad starter?
A bad starter often makes a single, loud click or a rapid clicking noise when you turn the key, as the starter solenoid tries but fails to engage. A bad ignition switch, on the other hand, might result in complete silence because it's not sending any power to the starter circuit in the first place. Intermittent electrical accessory problems also point more toward the switch than the starter.
Do I need any special tools for the replacement?
No special tools are usually required. A basic set of screwdrivers (especially Phillips head) and possibly a socket set should be sufficient to remove the steering column covers and the switch itself.
Will a new ignition switch come with new keys?
No. The ignition switch is the electrical component and does not involve the keys. The part your key fits into is the ignition lock cylinder. If you need new keys, you need to replace the lock cylinder, which is a separate part.
Technical Specifications
OEM Part Numbers: 48710-02W00 48700-H6200 48700-H5000
The ignition switch for the 1982-1987 Nissan Sentra is a bolt-on electrical switch located on the steering column. It typically features a single square or round connector with multiple blade-style terminals to control the vehicle's accessory, ignition, and starter circuits.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Nissan Sentra: