The Autometer ST594 Professional Tachometer Wire Harness is an essential upgrade for those looking to enhance their tachometer setup, specifically designed for the ST400 and ST430/C models. This harness ensures a reliable connection, allowing you to monitor your engine's RPMs accurately and efficiently. Whether you're on the track or cruising the streets, having precise RPM readings is crucial for optimizing performance and tuning your vehicle effectively.
Universal Fitment: This harness is designed to be compatible with the specified Autometer tachometers, but we recommend verifying fitment with your vehicle to ensure optimal performance. Researching your specific application helps confirm that this harness will suit your setup.
"I installed the ST594 harness with my Autometer ST400 in my 2020 Mustang GT. The connection was straightforward, and I love how responsive the tachometer is now. No issues with wiring, and it fits perfectly!" - 2020 Mustang GT Owner
"Used this harness for my 2018 Camaro SS with an ST430. Installation was a breeze, and the tach is spot on. Highly recommend for anyone looking to upgrade their gauge setup!" - 2018 Camaro SS Owner
Other Part Numbers:
Autometer #ST594
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

AutoMeter is an aftermarket company that started in 1957. The company specializes in creating high precision gauges for various automobiles. The company was founded by Vern Westberg and initially poured sand castings in their family’s backyard. Today, Autometer is considered the leading brand when it comes to vehicle instrumentations and is being used by a lot of enthusiasts worldwide.
Experts in their FieldWith more than 60 years in the industry, the company was able to perfect its craft and developed many industry-changing products such as rev control and quick responding tachometers. They also offer an LCD Competiton data acquisition system for those who are more serious when it comes to data monitoring.
State-of-the-art FacilityAutometer has one of the industry’s most advanced manufacturing facilities based in Sycamore, IL USA. This, coupled with an advanced engineering system allows them to create parts that are durable, accurate, and precise. The company is ISO certified so you can be sure that you get quality products consistently.
Autometer has its own High-Performance division that focuses on competition spec and racing electronics and instrumentations. Using their experience, they are able to develop and continuously improve their products and adapt them to the ever-changing automotive technology.
Purchase Autometer at Vivid RacingIf you want to accurately monitor your engine’s vitals, then upgrade your gauges to Autometer. They have been the trusted brand of many enthusiasts and racers worldwide and have proven themselves as the leading brand in the industry. To know more, visit Vivid Racing and check out their list of products that would fit your specific requirement.