Cabling and connectors would be the most frequent reason of poor SNR values. Inspect all cabling and connectors in line with the Power Cable switch. There should not be any welding cable splices as well as the modem must be connected on the primary splitter entering your facility. In addition, the coax cable should donrrrt you have any sharp bends. Repair any obvious problems and view the SNR values however.
Next, solder the cells to various other using separate copper wire/tabbing wire for your positive and negative poles to inside the connections. Is actually best start from top rated left and go left to till you attain the bottom left cell. Touch each solder point while being careful not to be able to any growths. Solar cells are fragile. Leave enough excess wire to require the electrical jack and blocking diode.
The how to wire your automobile is to first find out what you're going to light via a flight.