Haltech Elite 1500 Plug-and-Play Adaptor Harness Kit — Fits 1999-2000 Mazda Miata NB

SKU: HALHT-150951
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Sale price$2,316.37
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Haltech

Haltech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Haltech lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Advanced ECU Integration for Mazda Miata NB

Take complete control of your 1999-2000 Mazda Miata NB engine with the Haltech Elite 1500 Adaptor Harness Kit. This specialized harness is engineered to bridge the gap between your factory wiring and the sophisticated Elite 1500 ECU, providing a robust and reliable connection without the headache of custom splicing. Perfect for those looking to optimize fuel maps, ignition timing, and boost control on the NB platform.

Why Choose This Harness?

  • Seamless integration with 1999-2000 NB factory ECU connectors
  • Supports advanced tuning strategies for naturally aspirated or forced induction
  • Durable, heat-resistant wiring for long-term reliability
  • Plug-and-play design saves hours of installation labor
  • Optimized for high-performance data logging and engine protection

The Haltech Elite 1500 is a powerhouse of engine management, and this adaptor harness ensures you get every bit of performance out of your Miata. By retaining factory sensor inputs while unlocking the vast tuning potential of the Elite series, you gain the ability to fine-tune your engine for any driving condition. Whether you are chasing lap times or maximizing street performance, this harness is the essential foundation for your build. Elevate your driving experience with premium components from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Haltech

Haltech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Haltech lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Advanced ECU Integration for Mazda Miata NB

Take complete control of your 1999-2000 Mazda Miata NB engine with the Haltech Elite 1500 Adaptor Harness Kit. This specialized harness is engineered to bridge the gap between your factory wiring and the sophisticated Elite 1500 ECU, providing a robust and reliable connection without the headache of custom splicing. Perfect for those looking to optimize fuel maps, ignition timing, and boost control on the NB platform.

Why Choose This Harness?

  • Seamless integration with 1999-2000 NB factory ECU connectors
  • Supports advanced tuning strategies for naturally aspirated or forced induction
  • Durable, heat-resistant wiring for long-term reliability
  • Plug-and-play design saves hours of installation labor
  • Optimized for high-performance data logging and engine protection

The Haltech Elite 1500 is a powerhouse of engine management, and this adaptor harness ensures you get every bit of performance out of your Miata. By retaining factory sensor inputs while unlocking the vast tuning potential of the Elite series, you gain the ability to fine-tune your engine for any driving condition. Whether you are chasing lap times or maximizing street performance, this harness is the essential foundation for your build. Elevate your driving experience with premium components from GGCRACING.

Product Details

Product Description

About Haltech

Haltech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Haltech lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Advanced ECU Integration for Mazda Miata NB

Take complete control of your 1999-2000 Mazda Miata NB engine with the Haltech Elite 1500 Adaptor Harness Kit. This specialized harness is engineered to bridge the gap between your factory wiring and the sophisticated Elite 1500 ECU, providing a robust and reliable connection without the headache of custom splicing. Perfect for those looking to optimize fuel maps, ignition timing, and boost control on the NB platform.

Why Choose This Harness?

  • Seamless integration with 1999-2000 NB factory ECU connectors
  • Supports advanced tuning strategies for naturally aspirated or forced induction
  • Durable, heat-resistant wiring for long-term reliability
  • Plug-and-play design saves hours of installation labor
  • Optimized for high-performance data logging and engine protection

The Haltech Elite 1500 is a powerhouse of engine management, and this adaptor harness ensures you get every bit of performance out of your Miata. By retaining factory sensor inputs while unlocking the vast tuning potential of the Elite series, you gain the ability to fine-tune your engine for any driving condition. Whether you are chasing lap times or maximizing street performance, this harness is the essential foundation for your build. Elevate your driving experience with premium components from GGCRACING.

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