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1964-1968 Buick Riviera Neutral Safety Switch: A Complete Guide

Solve no-start problems and restore your reverse lights with this vehicle-specific guide for your classic Riviera.

3 minutes to read 1964-1968 Buick Riviera
Difficulty
3/5
Est. Time
2 hrs
DIY Doable?
✅ Yes
Shop Labor
$180-$300
Used OEM Price
$20-$50 (Salvage)
⚠️ Drivable, but... — You can drive if it starts, but it's a safety risk and the switch could fail completely, leaving you stranded.
Key Takeaways
  • The switch is located inside the center console on the shifter mechanism, not on the transmission.
  • Symptoms include no-start conditions, intermittent starting, and non-working reverse lights.
  • A failed switch can be a serious safety hazard if it allows the car to start while in gear.
  • Standard Ignition is a reputable aftermarket brand and a reliable choice for this replacement part.
The neutral safety switch on your 1964-1968 Buick Riviera is a critical safety and operational part. Its main job is to prevent the engine from starting while the transmission is in any gear other than Park or Neutral. This stops the car from lurching forward or backward unexpectedly upon startup. On these Riviera models, the switch also has a second function: it turns on your reverse lights when you shift into Reverse. On models with a center console shifter, this switch is located inside the console, connected to the shifter mechanism.

Is Your Riviera's Neutral Safety Switch Failing?

A faulty neutral safety switch can cause confusing problems that might seem like a bad starter or battery. 🎬 See how to test your ignition switch for similar starting issues. Because it controls both starting and the reverse lights, symptoms can appear in a few different ways. Age, heat, and simple wear and tear are the main reasons these switches fail.

Common Symptoms of a Bad Switch

  • No Crank, No Start: You turn the key and nothing happens, but your dashboard lights and radio work. The switch isn't sending the signal to the starter.
  • Starts in Neutral but Not Park (or Vice Versa): If the car only starts in one of the two correct positions, the internal contacts for the other position are likely worn out.
  • Must Wiggle Shifter to Start: You may need to jiggle the gear selector in Park or Neutral to find the 'sweet spot' where the engine will crank. This points to a worn or misaligned switch.
  • No Reverse Lights: If your backup lights don't come on when you shift into reverse, the switch could be the cause.
  • Engine Starts in Any Gear: This is a serious safety hazard. If the switch fails completely, it might allow the car to start in 'Drive' or 'Reverse', causing it to move unexpectedly. This should be fixed immediately.

Choosing the Right Aftermarket Part

For a classic car like the 1964-1968 Riviera, finding a brand-new Original Equipment Manufacturer (OEM) neutral safety switch is nearly impossible. These parts are only available as New Old Stock (NOS), which are rare, expensive, and may have degraded over decades of storage. The practical and reliable solution is a new aftermarket part.

Standard Ignition (Standard Motor Products): This is the primary brand available for your Riviera. Standard is a well-known and respected aftermarket manufacturer that has been around for decades. Mechanics and restoration experts often trust their parts for fit and function. Reviews for their neutral safety switches are generally positive, noting they are built to original specifications and perform reliably. For this repair, Standard Ignition is a solid choice.

Pro Tip: In some cases, the original switch may just be dirty or out of adjustment. Some owners have had success removing the original switch, carefully cleaning the internal contacts 🎬 Watch: This guide shows how to clean and fix your switch., and reinstalling it. However, for a lasting repair, replacement is recommended.

Typical Replacement Costs

The cost to replace the neutral safety switch depends on whether you do it yourself or hire a mechanic. The part itself is affordable, but labor can add to the total cost because the center console must be taken apart to access the switch.

Part/ServiceEstimated Cost
New Aftermarket Part$40.11 - $47.46
Shop Labor$180 - $300
Total Estimated Cost$220 - $350

Frequently Asked Questions (FAQ)

Where is the neutral safety switch on my 1966 Riviera?

For 1964-1968 Buick Rivieras with a center console and floor shifter, the neutral safety switch is located inside the console, mounted to the shifter assembly. It is not on the side of the transmission as it is on many other cars.

Can I bypass the neutral safety switch?

While it is technically possible to bypass the switch to get the car started in an emergency, it is not recommended as a permanent solution. Bypassing it defeats the safety feature, allowing the car to be started in gear, which is very dangerous.

My reverse lights don't work. Is it the neutral safety switch?

It could be. The neutral safety switch on these models also controls the reverse lights. However, you should also check the bulbs, fuses, and wiring 🎬 Watch: Troubleshooting complex electrical problems on a classic 1965 Riviera. before replacing the switch.

Is replacing the neutral safety switch a DIY job?

For someone with basic mechanical skills and tools, this is a manageable DIY project. The main challenge is carefully disassembling the center console without damaging the nearly 60-year-old trim pieces. Patience is key. The actual switch replacement is straightforward once you can access it.

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1963 1964 1965 Buick Riviera Ignition Switch testing restoration
How To Fix Your Neutral Safety Switch- NSS
How To Fix Your Neutral Safety Switch- NSS

Technical Specifications

Location: Inside center console on shifter assembly. Functions: Starter safety interrupt and reverse light activation.

Wrenchy
Article researched & written by
Go-Parts' AI research assistant. Every article is backed by live web research, verified OEM data, and real technician knowledge — so you get accurate, up-to-date information you can trust.
Meet Wrenchy → Updated Apr 19, 2026

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.

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