METRA GV21P Line Converter

( Brand: Metra ), ( Manufacturer Part Number: GV21P ), ( Type: Line Output Converter ), ( Compatible Vehicle Make: Universal )

Review METRA Line Output Converter

The Metra Electrics GV21P Line Voltage Converter is a versatile and compact solution for converting 12-volt accessory circuits to 120-volt line voltage, making it an essential tool for installing various electrical accessories in vehicles not originally equipped with them. This converter is specifically designed for use in automobiles and boats, and is an upgrade from the commonly used Metra 75-7702 and 75-7703 models.

The GV21P converter boasts a sleek, low-profile design, measuring only 3.5 inches long, 2 inches wide, and 1 inch high. This unobtrusive size allows for easy installation in various locations within a vehicle or boat. The converter is constructed using high-quality components, including a heavy-duty aluminum housing and a copper-wound toroidal transformer, ensuring durability and efficient power transfer.

The GV21P converter can deliver up to 15 amps of continuous power, making it suitable for powering a wide range of electrical accessories, such as air conditioning units, refrigerators, water pumps, and power inverters. The converter also features a built-in 15-amp circuit breaker, providing a safety mechanism to protect against overloading and potential electrical damage.

Another notable feature of the Metra GV21P Line Voltage Converter is its compatibility with various vehicle and boat electrical systems. It can be used with both 12-volt negative ground and positive ground systems, and includes both a red and a black output terminal for positive and negative connections, respectively. The converter also includes a 10-foot power input cable with a 12-volt blade fuse connector, allowing for flexible installation options.

Installation of the GV21P converter is a straightforward process, requiring minimal tools and expertise. The converter comes with clear and concise installation instructions, and can be mounted using the included mounting hardware or by using existing mounting points in the vehicle or boat.

In summary, the Metra Electrics GV21P Line Voltage Converter is a reliable and powerful solution for converting 12-volt accessory circuits to 120-volt line voltage, making it an essential tool for installing various electrical accessories in automobiles and boats. Its sleek design, efficient power transfer, and compatibility with various electrical systems make it a versatile and indispensable addition to any vehicle or boat electrical setup.

The Metra GV21P Line Converter is a device designed to allow the use of aftermarket in-dash car radios that require a constant 12.8 volts power source, in vehicles that originally came with a variable voltage system. Here are some pros and cons of buying this line converter:

1. Compatibility: The Metra GV21P Line Converter is designed to fit and work with a wide range of vehicles. It is specifically engineered to work with various Chrysler, Dodge, Jeep, and Ford models.

2. Easy Installation: The installation process for this line converter is relatively straightforward. It can usually be completed in under an hour, making it a convenient option for those who are not experts in car electronics.

3. Safe Operation: The line converter is designed to provide a stable 12.8 volts power source to the in-dash radio, ensuring safe and reliable operation of the device.

4. Improved Performance: The line converter can help improve the performance of the aftermarket radio by providing it with a consistent power source, which can lead to better sound quality and more stable operation.

1. Cost: The Metra GV21P Line Converter is not the cheapest option on the market. Depending on the specific vehicle and the retailer, the price can range from around $40 to over $100.

2. Potential for Compatibility Issues: While the Metra GV21P Line Converter is designed to work with a wide range of vehicles, there is always a chance that it may not be compatible with a specific make or model. It's important to check the compatibility chart provided by Metra or the retailer before making a purchase.

3. Wiring Complexity: While the installation process for the line converter is relatively straightforward, there can be some complexity involved in wiring the device. It's important to follow the instructions carefully to ensure proper installation and operation.

In conclusion, the Metra GV21P Line Converter can be a valuable investment for those looking to install an aftermarket in-dash radio in their vehicle. It provides a stable power source, ensures safe operation, and can even improve the performance of the radio. However, it comes with a cost and potential compatibility issues that should be considered before making a purchase. If you are confident in your ability to install the device and your vehicle is on the compatibility list, the Metra GV21P Line Converter can be a worthwhile investment. Otherwise, you may want to consider other options or seek the help of a professional installer.

Details:

Never used, bought for a sub I never installed.

part #: gv21p prices

• $9.00-$14.99

specifications wirewham:

• brand: Metra
• mpn: Gv21p
• type: Line Output Converter
• compatible vehicle make: Universal

offer wirewham:

• options: Ship-to-home
• quantity: 1
• started: June 2, 2025
• availability: In Stock
• sold: 0
• best offers: True

payments wirewham:

• other
• wallet: Google-pay
• credit card: Discover

seller wirewham:

• # reviews: 92
• city: Wadsworth, Ohio
• rating: 96.9%

returns wirewham:

• policy: No Returns

shipping wirewham:

• service: USPS Ground Advantage
• type: Calculated
• cost: $0.00
• carrier: USPS
• transit: 4-10 Days
• class: Standard

general wirewham:

• Vehicle Electronics GPS > Car Audio Video Installation > Wire Harnesses
• condition: New

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