AutoMeter Accessories Electronic Snubber Noise Filter

Applicable for automotive electrical systems and tachometer installations

Part #: P13149

Overview

The AutoMeter Accessories Electronic Snubber Noise Filter is a specialized electronic component designed to enhance the performance and reliability of automotive electrical systems, particularly when used with Spek-Pro tachometers. This noise filter effectively suppresses voltage spikes and electrical noise that can interfere with accurate tachometer readings and overall vehicle electronics. Whether you're a performance enthusiast, a professional installer, or a DIY mechanic, this filter provides a crucial safeguard against electrical disturbances that can compromise instrument accuracy and system stability.

Designed for use in vehicles with inductive loads such as battery changeover switches, starter solenoids, and fan motors, the AutoMeter Snubber Noise Filter ensures cleaner signals and protects sensitive electronic components from voltage transients. Its robust construction and precise circuitry help maintain consistent electrical performance, supporting your vehicle's instrumentation and electrical system integrity under demanding conditions.

Key Features

The AutoMeter Electronic Snubber Noise Filter incorporates advanced design features to deliver reliable noise suppression and voltage regulation. Its key features include:

• Effective filtering of voltage spikes above +16 VDC, preventing overvoltage conditions that can damage sensitive electronics or cause erratic tachometer behavior.
• Suppression of negative voltage transients below ground caused by inductive loads, such as starter solenoids and fan motors, which generate electromagnetic interference (EMF) spikes.
• Provides over-voltage protection circuit for automotive load dump scenarios, safeguarding your vehicle's electrical system during sudden power discharges.
• Compact and durable design suitable for installation in various automotive environments.
• Easy to install with standard automotive wiring connections, making it accessible for both professional and DIY applications.
• Helps ensure accurate tachometer readings and stable electrical signals, improving overall vehicle diagnostics and performance monitoring.

Construction & Design

The AutoMeter Snubber Noise Filter features a rugged, high-quality electronic circuit housed in a weather-resistant casing suitable for automotive use. Its design includes a voltage regulation and filtering circuit that effectively clamps voltage spikes and suppresses electromagnetic interference. The internal components are selected for durability and long-term reliability, ensuring consistent performance even in harsh engine bay conditions. The filter's compact size allows for flexible mounting options, and its straightforward wiring makes integration into existing electrical systems simple and secure.

Performance & Sound

While primarily an electrical protection device, the AutoMeter Noise Filter contributes to a quieter and more stable electrical environment within your vehicle. By reducing electrical noise and voltage transients, it helps prevent false readings and erratic instrument behavior, ensuring your tachometer and other electronic components operate smoothly and accurately. This results in improved diagnostic clarity and a more reliable performance of your vehicle's electrical system.

Installation & Fitment

The AutoMeter Accessories Electronic Snubber Noise Filter is designed for easy bolt-on installation. It connects directly into your vehicle's electrical system, typically inline with the tachometer or other sensitive electronic loads. No cutting, drilling, or complex wiring modifications are required, making it suitable for both professional installers and DIY enthusiasts. Proper installation ensures optimal noise suppression and protection, extending the lifespan of your vehicle's electronic components.

• Connect the filter inline with the tachometer or other inductive loads as per the wiring diagram provided.
• No tuning or calibration is necessary after installation.
• Ensure proper grounding for maximum effectiveness.

Once installed, the filter operates silently, providing continuous protection against electrical noise and voltage spikes without affecting your vehicle's normal operation.

What's Included

• AutoMeter Electronic Snubber Noise Filter (P13149)
• Installation instructions and wiring diagram

Ideal For

• Automotive enthusiasts seeking to improve tachometer accuracy and electrical system stability
• Professional installers working on performance or custom vehicles
• Vehicles with inductive loads prone to generating electrical noise
• Anyone looking to protect sensitive electronic components from voltage transients and load dump scenarios

Emissions Note

This product is designed solely for electrical noise suppression and does not impact vehicle emissions. It is compatible with standard automotive electrical systems and does not alter emissions compliance.