![GM LS Alternator Wiring Harness [4-Flat Pin Connector to 2-Pin]](https://www.jegs.com/images/mini_750/500/555/555-40616.jpg)
JEGSPART NUMBER: 555-40616
GM LS Alternator Wiring Harness [4-Flat Pin Connector to 2-Pin]
$2078$26.99You Save$6.21
5 left in stockAlternator Wiring Harness
GM LS Alternator Wiring Harness4-Flat Pin Connector to 2-Pin Designed for High-Amp Alternator Upgrades OEM-Quality Connector and Terminals Sold Individually
JEGS 555-40616 GM LS Alternator Wiring Harness Pigtail Features:
- This 1-piece wire adapter harness is specifically designed for converting standard 105-amp GM alternators to high-output 145-amp or 160-amp GM alternators
- Built with an OEM-style connector, seals, and high-quality terminals to ensure a factory-like fit and finish, providing a secure and reliable connection
- This plug-and-play wire adapter eliminates the need for cutting or splicing, allowing for an easy and hassle-free installation when upgrading your alternator
- Manufactured with high-quality automotive-grade wiring to withstand high current loads, ensuring consistent and long-lasting performance
- Designed with aftermarket-friendly wire color coding, making it easier to identify and install without confusion
- Perfect for vehicles with upgraded electrical demands, such as high-performance street cars, off-road trucks, race vehicles, or vehicles with large audio systems
- Upgrading to a higher output alternator with this adapter harness helps maintain consistent voltage and power delivery to your electrical system, ensuring optimal vehicle performance
Part TypeAlternator Wiring Harness
BrandJEGS
Package Height0.85
Package Width3.9
Package Length5.6
Weight0.025 PG
Part CategoryPerformance Parts
Connector FinishBlack
Part FitmentSemi Universal
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
ITEM YOU MAY ALSO CONSIDER
Some parts are not legal for use in California or other states with similar laws / regulations





![61-Piece Heat Shrink Tubing Kit [Black]](https://www.jegs.com/images/mini_200/500/555/555-10630.jpg)



![Colored Electrical Tape [5 pack]](https://www.jegs.com/images/mini_200/500/555/555-w549.jpg)
![14-Gauge Premium Automotive Wire Black [50 ft.]](https://www.jegs.com/images/mini_200/500/555/555-10800.jpg)
![14-Gauge Premium Automotive Wire Red [50 ft.]](https://www.jegs.com/images/mini_200/500/555/555-10801.jpg)
![16-Gauge Premium Automotive Wire Black [50 ft.]](https://www.jegs.com/images/mini_200/500/555/555-10850.jpg)
![16-Gauge Premium Automotive Wire Red [50 ft.]](https://www.jegs.com/images/mini_200/500/555/555-10851.jpg)
![18-Gauge Premium Automotive Wire Red [100 ft.]](https://www.jegs.com/images/mini_200/500/555/555-11321.jpg)
![18-Gauge Premium Automotive Wire Black [100 ft.]](https://www.jegs.com/images/mini_200/500/555/555-11320.jpg)


![Nylon Wire and Cable Ties [8 in. Black]](https://www.jegs.com/images/mini_200/500/555/555-10605.jpg)

![81029 GM LS Alternator Wiring Harness [4-Flat Pin Connector to 2-Pin]](https://www.jegs.com/images/mini_200/700/743/743-81029.jpg)