Auto Meter 9117 RPM Signal Adapter Features:

• Reliable RPM Signal Conversion: This fully potted, weatherproof module seamlessly integrates with coil-per-cylinder ignition systems, converting current signals into a standard 12-V square wave output for use with AutoMeter tachometers and other RPM-activated devices.
• Perfect for Modern Engine Swaps: Ideal for late-model engine conversions and applications where traditional tachometer signals are not readily available.
• Broad Engine Compatibility: Designed to work with 1-12 cylinder engines, making it a versatile solution for various performance and custom vehicle setups.
• Compact & Durable Design: Measures just 1.500 in. x 3.500 in. x 2 in., allowing for easy installation in tight spaces while maintaining durability.
• Weatherproof & Vibration-Resistant: Fully sealed to withstand harsh underhood conditions, ensuring reliable operation in high-heat, moisture-prone, and high-vibration environments.
• Optimized Wiring Lengths for Easy Installation:
  • Gray (Signal Out) – 52 in.
  • Black (Ground) – 24 in.
  • Red & Red/Green (Ignition Power In & Out) – 24 in.