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Vivid Racing Gear 
AutoMeter 9123 Plug and Play LS Tach Harness
Getting your tachometer to work after an LS swap can be a hassle, but it doesn't have to be. The AutoMeter 9123 Plug and Play LS Tach Harness is designed to simplify the installation process, allowing you to connect the AutoMeter 9117 Tach Adapter to your LS engine with ease. Forget about complicated wiring and lengthy installations; this harness ensures you can set it up in minutes, not hours.
With OEM spec connectors and wiring, the installation is straightforward and mess-free. There’s no need for splicing or cutting, which means you won’t risk voiding your vehicle's warranty. Plus, this solution is completely reversible, making it a safe choice for your car’s electrical system.
Key Features
- Plug and Play design for easy installation
- Compatible with LS-derived engines
- OEM spec connectors ensure a reliable connection
- Reversible installation’no permanent modifications required
- Quick setup’get your tachometer working in just minutes
Specifications
- Product Model: AutoMeter 9123
- Type: RPM Signal Adapter for LS Engines
- Includes: Plug and Play Harness
- Warning CA Proposition 65: Yes
- Warning CA Proposition 65 Message: This product can expose you to chemicals known to the State of California to cause cancer.
Fitment
Universal Fitment: The AutoMeter 9123 is designed to be compatible with a variety of vehicles that utilize LS engines. While it should work with most setups, it’s recommended to verify compatibility with your specific vehicle application to ensure optimal performance.
Customer Feedback
Users have praised the AutoMeter 9123 for its straightforward installation and effective performance. Many have noted that it significantly reduced the time spent on wiring during their LS swaps, allowing them to focus on other aspects of their project. The hassle-free design has made it a favorite among DIY enthusiasts and professional mechanics alike.
⚠ 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.
| Sale price | $213.95 |
| Wholesale price | $196.16 |
| Shipping |
Weight: 1.10 Length: 7 Width: 7 Height: 7 |
| Product Added At | Thursday 29 March, 2018 |
| Product Modified At | Friday 11 July, 2025 |
| Imported By | ETLOverride |
| Last Edited By | Turn_API |
| View In Admin |
| Carb Approved | - |
|---|---|
| Carb Number | - |
| Epa Status | N/A |
| Prop65 | Unknown |
| Carb Required | - |
| Vendor | Inv | Cost | Retail | Jobber | MAP | Core | Updated | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Turn 14 | $166.24 | $237.49 | $237.49 | ? | ? | 2025-07-11 10:06:18 |
