Buick LeSabre Ignition Switch Guide: 1964-1988
Solve starting problems and electrical gremlins by understanding and replacing your LeSabre's ignition switch.
- Symptoms like no-start, stalling, and flickering dash lights often point to a failing ignition switch.
- The major GM ignition switch recall does not apply to the 1964-1988 LeSabre; failures are due to age and wear.
- Always test the battery and its connections first to rule out simpler problems.
- Standard Ignition (SMP) is a reputable aftermarket brand for this part; choose it for better reliability.
Is Your Buick LeSabre's Ignition Switch Failing?
After decades of service, the ignition switch in a 1964-1988 Buick LeSabre can wear out. The internal electrical contacts get corroded or worn, leading to a host of strange issues. You might think your battery is dead or the starter has failed, but the real problem could be this critical switch.
Common Symptoms of a Bad Ignition Switch
- Car Won't Start or Crank: You turn the key and get nothing but silence, or maybe a single click. Power isn't reaching the starter motor.
- Starts and Immediately Stalls: The engine fires up when you're holding the key in the 'Start' position but dies as soon as you let it go back to 'On'. This means the switch isn't maintaining power to the ignition system.
- Stalling While Driving: A worn switch can lose connection when you hit a bump, causing the engine to shut off without warning. This is a serious safety issue.
- Flickering Lights and Dead Accessories: Your dashboard lights might flicker, or the radio and blower fan might cut in and out. This points to a poor connection inside the switch.
Important: Check Other Parts First
Before blaming the ignition switch, make sure your battery is fully charged and the battery terminals are clean and tight. A simple click when you turn the key often points to a weak battery or a bad starter solenoid, not always the ignition switch.
Choosing the Right Aftermarket Ignition Switch
For a classic vehicle like the 1964-1988 LeSabre, Original Equipment Manufacturer (OEM) parts from GM are virtually nonexistent. The aftermarket is your primary source. Here’s a breakdown of the available brand tiers.
- Premium Aftermarket (Standard Ignition): Standard Motor Products (SMP) is a well-known brand that has been making ignition components for a very long time. For American vehicles of this era, their parts are generally considered a high-quality, reliable choice that meets or exceeds original specifications. This is the recommended option for long-term reliability.
- Standard Aftermarket (Rostra Powertrain): Rostra is a general aftermarket supplier. While their parts can be a cost-effective solution, there is less brand-specific feedback available from classic Buick owners compared to Standard Ignition.
- Economy (Replacement): This category represents budget-friendly, often unbranded parts. While they are the most affordable, their long-term durability and the precision of their internal contacts may not match that of a premium brand. This is a viable option if budget is the main concern.
Switch vs. Lock Cylinder
It's easy to confuse the ignition switch with the ignition lock cylinder. The lock cylinder is the mechanical part your key slides into. The ignition switch is the electrical component that the lock cylinder operates, often located further down the steering column and connected by a rod (on 1969 and newer models). If your key is physically hard to turn or getting stuck, the lock cylinder is likely the problem. If you have electrical symptoms, the switch is the more probable cause.
Typical Replacement Costs
The cost to replace your LeSabre's ignition switch depends on the part you choose and whether you do the work yourself.
| Item | Estimated Cost |
|---|---|
| New Aftermarket Ignition Switch | $20.77 - $98.84 |
| Shop Labor | $100 - $250 |
| Total Estimated Cost | $121 - $349 |
Cost estimates are for reference only and do not include taxes or fees. Labor costs can vary significantly by location and the specific year of your vehicle.
Frequently Asked Questions
Is there a recall on the 1964-1988 LeSabre ignition switch?
No. While there was a major, well-publicized GM ignition switch recall in the 2010s, it affected much newer vehicles (like the Chevy Cobalt) and was for a different type of defect. There are no known recalls from the NHTSA for ignition switch failure on the 1964-1988 Buick LeSabre. Failures on these older cars are due to normal wear and tear over many decades.
Can I replace the ignition switch myself?
Yes, this is a DIY-feasible job for someone with mechanical experience. For earlier models (typically pre-1969), the switch is often mounted on the dashboard and is relatively easy to access. For later models (1969-1988), the switch is mounted on the steering column, which requires removing plastic shrouds and potentially lowering the column for access. Patience is key, as you'll be working with old plastic and wiring connectors.
Will I need a new key?
No. Replacing only the electrical ignition switch does not change your keys. You will continue to use your original keys, as you are not replacing the ignition lock cylinder.
What tools are needed for the job?
You will typically need a basic set of hand tools, including socket and ratchet sets, screwdrivers (Phillips and flat-head), and possibly Torx drivers for the steering column covers on later models. A multimeter is also very helpful for confirming the old switch has failed and that the new one is working correctly.
Technical Specifications
OEM Part Numbers: 1116664
The ignition switch for the 1964-1988 Buick LeSabre is a multi-position electrical switch. Its design changed significantly around 1969, moving from a dash-mounted unit to a steering-column-mounted unit actuated by a rod. The switch directs battery power to the 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.