First Impressions of Sierra International MP39800 MP39800 4 Position Conventional AccessoryOffRunStart
The Sierra International MP39800 MP39800 4 Position Conventional AccessoryOffRunStart ignition switch is a critical component for any marine vessel or off-road vehicle requiring a robust and reliable starting system. As someone who’s spent years rigging boats and troubleshooting electrical systems in demanding environments, I understand the importance of a dependable ignition switch. Sierra International aims to provide just that, promising corrosion resistance, a non-conductive housing, and an inner seal for added protection.
My experience with marine electronics has taught me that a faulty ignition switch can quickly ruin a fishing trip or even create a dangerous situation. I was seeking a replacement for a corroded switch on my skiff, a common issue in saltwater environments, and needed a switch that could withstand the elements. The claim of maximum corrosion protection immediately grabbed my attention, given my past frustrations with oxidation issues.
Unboxing the Sierra International MP39800, I was pleased by the solid feel of the switch and the clearly labeled positions. The construction seemed robust, hinting at a durable, long-lasting component. Compared to cheaper, generic switches I’ve used, the Sierra International switch felt significantly more substantial, instilling a sense of confidence.
Initially, I was excited about the potential for a reliable, long-lasting ignition switch at a reasonable price point, but also cautiously optimistic. Time and field testing would be the ultimate decider of its true worth.
Real-World Testing: Putting Sierra International MP39800 MP39800 4 Position Conventional AccessoryOffRunStart to the Test
First Use Experience
I installed the Sierra International MP39800 on my 18-foot skiff, which is primarily used for inshore fishing in saltwater. The installation was straightforward, fitting perfectly in place of the old switch. On its maiden voyage, the switch operated flawlessly, providing a smooth and positive engagement at each position.
The weather was typical for coastal fishing: humid with occasional splashes of saltwater. The switch maintained its smooth operation, even with wet hands. This was a major improvement over my previous switch, which would often stick in damp conditions.
Extended Use & Reliability
After several months of consistent use, the Sierra International MP39800 has proven its worth. There are no signs of corrosion or degradation, despite constant exposure to saltwater and harsh UV rays. I regularly flush the switch area with fresh water as part of my routine maintenance, but beyond that, I’ve done nothing special to care for it.
The switch continues to operate with the same smooth, positive action as day one. It has significantly outperformed my expectations, especially considering the abuse it endures. Compared to other switches I’ve used that failed within a season, the Sierra International MP39800 is a clear winner.
Breaking Down the Features of Sierra International MP39800 MP39800 4 Position Conventional AccessoryOffRunStart
Specifications
The Sierra International MP39800 MP39800 4 Position Conventional AccessoryOffRunStart is a 4-position ignition switch designed for marine and other applications. It features:
- Four positions: Accessory, Off, Run, and Start. This provides standard functionality for starting and operating a wide range of vehicles and equipment.
- Marine grade glass-filled polyester construction. This offers superior resistance to corrosion and the harsh marine environment.
- Maximum corrosion protection. This is achieved through the use of corrosion-resistant materials and coatings, eliminating oxidation and ensuring long-term reliability.
- Inner seal between cylinder lock and contact plate. This prevents water intrusion and protects the internal components from corrosion.
- Non-conductive housing. This eliminates potential shorts and enhances safety.
- 20 Amp rating. This is sufficient for most common marine engine starting systems and accessories.
These specifications are crucial for ensuring the switch’s reliability and longevity in demanding environments. The marine-grade construction and corrosion protection are particularly important for preventing failure due to saltwater exposure.
Performance & Functionality
The Sierra International MP39800 excels in its primary function: reliably controlling the ignition and accessory circuits. The switch provides positive engagement at each position, eliminating any ambiguity about the selected mode. Its robust construction and corrosion resistance ensure consistent performance, even under harsh conditions.
The main strength of this switch is its reliability; it simply works, consistently and without issue. A minor improvement could be to offer a version with pre-wired connectors for even faster installation. It meets and exceeds my expectations, particularly regarding durability and resistance to corrosion.
Design & Ergonomics
The Sierra International MP39800 features a simple, functional design. The switch body is made of durable, glass-filled polyester. The size and shape are comfortable to grip and operate, even with gloves.
There’s virtually no learning curve; it’s an intuitive and easy-to-use switch, even for those unfamiliar with marine electrical systems.
Durability & Maintenance
The Sierra International MP39800 is built to last, thanks to its marine-grade construction and corrosion-resistant materials. With proper care, it should provide years of reliable service. Maintaining the switch is simple: regular rinsing with fresh water is typically sufficient to remove any salt or debris.
Accessories and Customization Options
The Sierra International MP39800 is a standalone ignition switch and doesn’t include any specific accessories. While it’s not directly customizable, it is compatible with a wide range of standard wiring harnesses and connectors. This makes it easy to integrate into existing electrical systems or to add aftermarket accessories. The switch seamlessly integrates with standard marine wiring and fuse panels.
Pros and Cons of Sierra International MP39800 MP39800 4 Position Conventional AccessoryOffRunStart
Pros
- Exceptional corrosion resistance: Built to withstand harsh marine environments, preventing oxidation and ensuring long-term reliability.
- Robust and durable construction: The marine-grade glass-filled polyester housing provides excellent impact resistance and longevity.
- Smooth and positive operation: The switch provides clear and reliable engagement at each position.
- Easy installation: Direct replacement for most standard ignition switches, making installation quick and hassle-free.
- Non-conductive housing: Enhances safety by eliminating potential shorts.
Cons
- May need to purchase additional connectors or wiring depending on the application.
- Lacks integrated lighting, which may be desirable in some applications for easy visibility at night.
Who Should Buy Sierra International MP39800 MP39800 4 Position Conventional AccessoryOffRunStart?
This switch is perfect for boat owners, particularly those who operate in saltwater environments. It’s also ideal for anyone needing a reliable ignition switch for off-road vehicles or other equipment exposed to harsh conditions. Marine mechanics and DIY boat repair enthusiasts will appreciate its ease of installation and dependability.
Anyone looking for a feature-rich switch with advanced electronics or remote control capabilities should skip this product. Those individuals should look at higher end products with advanced functionality.
Conclusion on Sierra International MP39800 MP39800 4 Position Conventional AccessoryOffRunStart
The Sierra International MP39800 MP39800 4 Position Conventional AccessoryOffRunStart is a well-built, reliable ignition switch that excels in demanding environments. Its exceptional corrosion resistance, robust construction, and smooth operation make it a worthwhile investment for anyone needing a dependable starting system. At a price of $41.19, the Sierra International MP39800 offers excellent value for the money.
I would absolutely recommend it. If you need a dependable, no-frills ignition switch that can withstand the rigors of marine or off-road use, look no further. Get yours today and say goodbye to ignition switch headaches!