Mechman H113-L-3 Toyota/Lexus 4-Pin Lithium Voltage Boost Harness +1.1V to +1.4V

Mechman 1.7V Voltage Boosting Harness for Toyota 4 Pin Regulators H113-L-3

This Listing Includes:

• (1) Mechman  voltage boosting harness for Toyota 4-pin regulators H113-L-3

Boost your Toyota/Lexus voltage hassle-free! Our plug-and-play harness ensures no water, corrosion, or electrical issues. Ideal for car audio enthusiasts with lithium batteries needing higher charging. Voltage ranges from 15.5 to 15.9 volts. Not for use with 12V AGM batteries. Enjoy up to 450 watts extra power with a simple connection! Email us for vehicle compatibility.

***TOYOTA BOOSTER HARNESS FITMENT GUIDE***

1.8L

• Toyota Corolla – 2009-2013
• Scion XD – 2008-2014

2.4L

• Toyota Camry – 2004-2018
• Toyota Rav4 – 2006-2008
• Toyota Matrix – 2007-2013
• Scion XB – 2008-2015 *** ONLY IF 4PIN REGULATOR ***
• Scion TC- 2005-2010

2.5L

• Toyota Rav4 – 2009-2018*** ONLY IF 4PIN REGULATOR ***
• Scion TC – 2011-2016
• Toyota Camry – 2012- 2018 *** ONLY IF 4PIN REGULATOR ***

3.3L

• Toyota Sienna – 2004-2006
• Toyota Highlander – 2004-2007
• Lexus RX330- 2004-2008

3.5L

• Toyota Venza – 2005-2018
• Toyota Avalon -2005-2018
• Toyota Camry -2005-2018
• Toyota Highlander – 2008-2018
• Toyota Sienna – 2007-2016
• Lexus ES350 – 2007-2018
• Lexus RX350 – 2007-2018
• Lexus ISF – All models
• Lexus IS250- 2006-2016
• Lexus RC350- 2015-2018

4.0L

• Toyota 4runner – 2005-2019      *** 2017 and UP ONLY IF 4PIN REGULATOR ***

4.7L

• Toyota Tundra – 2003-2009
• Toyota Sequoia – 2003-2009 4.6L
• Toyota Tundra – 2007-2018
• Toyota Sequoia – 2007-2018
• Toyota Lexus GX460- 2013-2019

5.0L

• Lexus ISF – All / only

5.7L

• Toyota  Landcruiser – 2008-2017
• Toyota LX570 – 2008-2017
• Toyota Sequoia -2008-2017
• Toyota Tundra – 2007-2018

(these are just popular fitments, please ensure your current alternator has the 4pin style alternator plug and NOT the oval 3pin. If you do not see your vehicle listed and cannot confirm fitment, please email us BEFORE ordering!)

Accepted Payment Methods at Big Jeff Audio

At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:

Credit and Debit Cards

• Visa
• Mastercard
• American Express
• Discover
• Diners Club

Digital Wallets

• Amazon Pay
• Apple Pay
• Meta Pay (formerly Facebook Pay)
• Google Pay
• Shop Pay
• PayPal

International Payment Methods

• Bancontact
• iDEAL

Bank Transfers

• Zelle

Financing Options

We also offer financing options to make purchasing easier. Learn more about our financing options here.

• Klarna
• Affirm
• Sezzle
• Snap
• Acima
• Tiptop

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.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

• Standard Shipping: Free for orders over $100.
• Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

How Long Does Delivery Take?

• 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?

If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

Why Can’t I Track My Order?

If you're having trouble tracking your order:

• Make sure you’ve received the shipping confirmation email with the tracking number.
• Log into your account on our website and use the “Check Your Order Status” button.
• If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.