Skip to content
Free shipping with delivery in 2-4 days See details
Free shipping with delivery in 2-4 days See details

WANT TO BECOME A DEALER?

Country

Mechman GM Alternator Voltage Boost Harness 1.5V Increase for Lithium Batteries

CASE QUANTITY: N/A

PACKAGE WEIGHT: 0.03 LB

SKU MM-P101-L-3
Save 8% Save 8%
Original price $36.95
Original price $36.95 - Original price $36.95
Original price $36.95
Current price $34.00
$34.00 - $34.00
Current price $34.00

Free Gifts when added to Cart

The more you spend, the greater selection of free gifts you'll have at your fingertips when selecting items in your shopping cart!

Earn [points_amount] when you buy this item.

Spend More, Save More

Big Jeff loves his customers!!!
  • Spend $250, Save 3% *Must purchase 2 items to qualify
  • Spend $500, Save 5% *Must purchase 3 items to qualify
  • Spend $1000, Save 7% *Must purchase 4 items to qualify

*Does not apply to: Sundown, XS power or Kicker products*

*Does not stack with other promotional sales*

  • Enhanced Voltage Output: Increase your alternator's voltage by 1.5 volts with this harness, specifically designed for alternators equipped with a GM 4 pin regulator.
  • Temperature-Dependent Performance: Tested on Mechman Alternators, this harness yields just over 16 volts in warm temperatures, with output varying based on ambient temperature.
  • Compatibility Assurance: Ensure your added components, such as car audio amplifiers, can handle the higher voltage to prevent damage or protect mode activation.
  • Easy Installation: Connect the yellow wire to an ignition-switched 12V+ source and the blue wire to the alternator's threaded output stud for straightforward setup.
  • Versatile Application: Suitable for engine swap applications lacking stock alternator harnesses, allowing alternator control through a 12V switched connection.


Mechman GM Alternator Voltage Boost Harness 1.5V Increase for Lithium Batteries


This Listing includes:



  • (1) P101-L-3 Voltage Boost harness


Elevate your alternator's performance with the Voltage Boost Harness for GM 4 Pin Regulators. Designed to increase voltage output by 1.5 volts, this harness is compatible with alternators featuring a GM 4 pin regulator, such as Mechman Alternators. Tested to produce just over 16 volts in warm temperatures, its output varies with ambient temperature. It's essential to ensure that connected components, like car audio amplifiers, can withstand the increased voltage to prevent potential damage. 


Features:



  • Increases alternator voltage by 1.5 volts

  • Tested on Mechman Alternators for reliable performance

  • Temperature-dependent output with variation based on ambient temperature

  • Compatibility with added components like car audio amplifiers

  • Easy installation with connection to ignition-switched 12V+ source and alternator output stud


Specifications:



  • Compatibility: GM 4 pin regulators

  • Voltage Increase: 1.5 volts

  • Output Voltage: Just over 16 volts in warm temperatures

  • Wire Colors: Yellow (ignition-switched 12V+), Blue (alternator output stud)

  • Application: Engine swap applications, alternator control via 12V switched connection



    ** NOTE: This unit is NOT FOR USE ON STANDARD 12V AGM BATTERIES. This module will increase the charging voltage by 1.5 Volt and WILL DAMAGE AGM batteries. Please check with your Lithium battery manufacturer to verify the proper charging voltage before installing this module! Not all Lithium type chemistries require higher voltage charging!**

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.

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare