- 0.8V TO 1.0V VOLTAGE INCREASE: Raises alternator charging voltage for compatible high-voltage AGM battery applications.
- TOYOTA-STYLE 4-PIN CONNECTOR: Designed for select Toyota, Lexus, and Scion vehicles equipped with a compatible 4-pin alternator regulator.
- PLUG-AND-PLAY INSTALLATION: Connects between the factory wiring harness and alternator without cutting, splicing, or permanently modifying the vehicle.
- WEATHER-SEALED CONSTRUCTION: Epoxied connectors help protect the harness against moisture, corrosion, daily driving, and off-road conditions.
- HIGH-DEMAND ELECTRICAL SUPPORT: Suitable for compatible car audio systems, auxiliary lighting, high-output alternators, and other accessory-heavy builds.
Mechman H113-L-2 Toyota/Lexus 4-Pin AGM Voltage Boost Harness +0.8V to +1.0V
This Listing Includes:
- (1) Mechman H113-L-2 Voltage Boost Harness
Increase your vehicle’s charging voltage for high-voltage AGM battery applications with the Mechman H113-L-2 Voltage Boost Harness. Designed for select Toyota, Lexus, and Scion vehicles with compatible 4-pin alternator regulators, this harness raises charging voltage by approximately 0.8 to 1.0 volt.
The harness installs between the vehicle’s factory alternator connector and the alternator regulator. Its plug-and-play design requires no cutting or splicing, allowing you to improve charging voltage while keeping the factory wiring intact.
Built with high-quality Toyota/Lexus-style connectors, the H113-L-2 is weather-sealed and epoxied to help resist moisture and corrosion. It can be used with compatible OEM alternators or Mechman high-output alternators.
Features
- Increases charging voltage approximately 0.8V to 1.0V
- Designed for AGM batteries requiring approximately 15.0V to 15.5V charging voltage
- Fits select Toyota, Lexus, and Scion applications
- Compatible with select 4-pin alternator regulators
- Plug-and-play installation
- No cutting or wire splicing required
- Installs between the factory harness and alternator
- Compatible with select OEM and Mechman alternators
- Weather-sealed and epoxied connectors
- Helps resist moisture and corrosion
- Ideal for high-output audio and accessory-heavy electrical systems
- Easily removable to return the vehicle to its original configuration
Specifications:
- Brand: Mechman
- Model: H113-L-2
- Product Type: Alternator Voltage Boost Harness
- Connector Type: Toyota/Lexus-Style 4-Pin Regulator
- Voltage Increase: Approximately 0.8V to 1.0V
- Target Charging Range: Approximately 15.0V to 15.5V
- Battery Compatibility: Select high-voltage AGM batteries
- Installation: Plug-and-Play
- Wiring Modification Required: No
- Quantity: 1
- Weight: Approximately 1 lb
Important Fitment Information:
This harness is intended for select Toyota, Lexus, and Scion vehicles equipped with a compatible 4-pin alternator regulator connection.
Possible applications include select versions of:
Toyota Corolla, Camry, Matrix, RAV4, Avalon, Highlander, Sienna, Tacoma, Tundra, Sequoia, 4Runner, and Venza; Scion xD, xB, and tC; and Lexus RX, ES, IS, RC, and GX models.
Confirm the alternator regulator connector before ordering. Some vehicles within the same year, model, or engine range may use a different regulator or charging system.
(These are just popular fitments; please ensure your current alternator has the 4-pin style alternator plug and NOT the oval 3-pin. If you do not see your vehicle listed and cannot confirm fitment, please email us BEFORE ordering!)
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We also offer financing options to make purchasing easier. Learn more about our financing options here.
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If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.
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Do You Offer Expedited Shipping?
Yes! At checkout, you can select from different shipping options:
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- Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.
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- Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
- Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.
What Happens If My Package Is Undeliverable?
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