All right, here goes: I have two (2) one-hundred twenty (120) Watt solar panels. My charge controller is showing 0 Amps (caveat, it has been overcast - however, I should be seeing something register on my controller). I replaced the old charge controller, as I thought the board went bad because it was showing 0 Amps from the panels. It now seems that I was incorrect (leaving me with 0 Amp output from the panels, and a spare charge controller). Using my multimeter, I checked the amperage output from the panels at the terminals on the back of the panels. They are rated at 16.5 AMPs, and each one, at the terminals registers 16.5+/- 0.1 (in overcast conditions). The feed (the cable that runs directly from the panels to the charge controller - a 4 foot cable) registers less than 6 amps at the controller. Could the cable connections at the terminals be corroded (visually, they are slightly oxidized - ever so slightly - they are dull rather than shiny silver) or in some way could the cable be compromised and as such restrict the flow? Help?