Through this article, we run through the installation process for the carbon switch panel regarding the 4 onboard switches, voltmeter & dual USB sockets.
The panel utilizes one main power input and ground, has a dual USB charger, a voltmeter and 4x 12v outputs.
| # | Function |
| 1. | Main ground |
| 2. | Main 12v input |
| 3. | The voltage sense wire (should go directly to the battery) |
| 4. | Voltage meter 12v power source (ignition, or pushbutton) |
| 5. | Voltage meter ground |
| 6. | 12v output 1 |
| 7. | 12v output 2 |
| 8. | 12v output 3 |
| 9. | 12v output 4 |
Pin 1/5 can be wired together for simplicity, and pin 4/2 can be wired together to the panel's main power source (relay to the battery)
Although the switches are rated for 20 amps, the gauge of wire #2 and #1 limit the output of the switches (wires 6,7,8,9) to about 3-5 amps each. Any higher load would need to be used with a relay. A relay would not be needed for smaller loads, such as a fridge, strip light, work light, or low current accessory.
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