Introduction
The NOCO GC020 12V 2-Way Adapter Splitter is designed to expand your vehicle's 12-volt power capabilities. It allows for the simultaneous use of two 12-volt devices from a single accessory outlet. This splitter incorporates a 20-amp micro-blade fuse for protection against short circuits, water-resistant caps to shield the female sockets from environmental elements, and an LED indicator to confirm active power. Constructed with high-conductivity 100-percent copper wire, it supports a rated capacity of 15-amperes. Molded strain reliefs provide additional durability to the cable connections. It is suitable for powering various 12-volt devices such as tire inflators, portable coolers, vacuum cleaners, and power inverters.
Safety Information
- Maximum Current: Do not exceed the total rated capacity of 15 amperes for all connected devices. Overloading can cause the integrated 20A fuse to blow or lead to overheating.
- Fuse Protection: The GC020 includes a 20-amp micro-blade fuse for protection. If the splitter stops working, check and replace the fuse if necessary. Always replace with a fuse of the same rating.
- Secure Connection: Ensure the male plug is fully and securely inserted into the vehicle's 12V accessory outlet to prevent intermittent power or arcing.
- Water Resistance: The female sockets are equipped with water-resistant caps. Always use these caps when the sockets are not in use to protect them from moisture and debris.
- Environmental Conditions: Avoid exposing the splitter to extreme temperatures or harsh chemicals.
- Children: Keep out of reach of children.
Package Contents
Your NOCO GC020 package should contain the following item:
- 1 x GC020 12-Volt Adapter Plug Socket With 2-Way Splitter
Setup
- Locate 12V Outlet: Identify an available 12V accessory outlet (cigarette lighter socket) in your vehicle.
- Insert Splitter: Firmly insert the male 12V plug of the GC020 splitter into your vehicle's 12V accessory outlet.
- Verify Power: Once connected, the integrated LED power indicator on the male plug will illuminate red, signifying that the splitter is receiving power from your vehicle.

Image: The NOCO GC020 12V splitter's male plug inserted into a vehicle's 12V outlet, showing the red LED power indicator. This confirms the splitter is receiving power.
Operating Instructions
- Connect Devices: Remove the water-resistant caps from the female sockets. Connect your 12V devices (e.g., tire inflator, cooler, phone charger) into the two available female sockets.
- Power On Devices: Activate your connected 12V devices as per their individual instructions.
- Monitor Power: The LED indicator on the male plug will remain lit as long as power is supplied to the splitter. If your vehicle has an ignition shut-off feature, devices will not receive power when the car is not running.
- Disconnecting: When finished, disconnect your devices and replace the water-resistant caps on the female sockets to protect them.

Image: The NOCO GC020 splitter illustrating its single 12V input and two 12V output sockets, enabling dual device power.

Image: The NOCO GC020 splitter in use, simultaneously powering a tire inflator and charging a smartphone, demonstrating its power and charge capabilities for 12V devices and accessories.
Maintenance
- Cleaning: Keep the splitter clean and free from dust and debris. Use a dry cloth to wipe the exterior. Do not use liquid cleaners.
- Inspection: Regularly inspect the cable and connectors for any signs of damage, fraying, or corrosion. Discontinue use if any damage is found.
- Caps: Always ensure the water-resistant caps are properly seated over the female sockets when not in use to prevent ingress of dirt, dust, and moisture.

Image: A close-up view of the NOCO GC020 splitter's water-resistant caps, showing water droplets on their surface, highlighting their rugged design for protection against elements.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power to devices / LED indicator off |
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| Devices intermittently lose power |
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| Devices not working, but LED is on |
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Specifications
| Feature | Specification |
|---|---|
| Model Number | GC020 |
| Input Voltage | 12 Volts |
| Current Rating | 15 Amps (Max) |
| Number of Ports | 2 (Female 12V Sockets) |
| Wire Gauge | 16AWG |
| Integrated Fuse | 20A Micro-Blade Fuse |
| Dimensions (L x W x H) | 2.76 x 2.36 x 7.09 inches |
| Item Weight | 0.01 Pounds |
| Color | Red and Black |
| Connector Type | Cigarette Lighter Plug |

Image: A diagram detailing the dimensions and key components of the NOCO GC020 splitter, including the 12V input, splitter body, two 12V outputs with watertight caps, and the energy-efficient LED indicator.
Warranty
The NOCO GC020 12 Volt Plug 2-Way Splitter is covered by a 1-Year Limited Warranty. This warranty covers defects in material and workmanship under normal use. For specific terms, conditions, and claim procedures, please refer to the official NOCO warranty documentation or contact NOCO customer support.
Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please visit the official NOCO website or contact their customer support directly. Always provide your product model number (GC020) when seeking support.





