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13" aluminum unibody, 2.0 or 2.4 GHz Core 2 Duo processor.

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Dim Green light on Charger after water spill

I'm working on a MacBook pro core 2 duo unibody model, It suffered some liquid damage, but their is no corrosion that I can see. I get a dim green light on the charger and I know its not the dc-in board, bc when I plugged that into a board with no liquid damage, I get a bright green light. With the damaged board, I only get power if I hold down the power button for around 30 seconds. But just high fan speed no video or chime, I'm not sure if the board is charging, but I know the fans a were running when I had the battery connection but not the magsafe, can I get some idea's as to what fuse controls the board getting proper power. Or what I need to do to get it functioning the way it should

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I"m confused are you putting the damaged DC-in board in a good machine or just connecting the power supply to a good machine?

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You need repair/replace whatever was damaged by the liquid. There are many potential sources of your problems and they have to be eliminated or identified as the cause.

Connect to an external monitor to see if your VGU/VGC is damaged. If no video shows up at all that portion of the logic board is dead, and you'd have to replace the board as the VGU's are fixed to the board. If you see something there your internal display chain is damaged, controller/fuse - cable or HD.

Fans going into high speed means at least one damaged sensor because the default condition for a sensor that is not reporting, or, is reporting out of range is to run at high in order not to cook the CPU. Sounds like you've also damaged at least the top case/keyboard (even though you see no corrosion) because the power on button is not working normally.

Along with corrosion also look for burned or swollen components.

You might try removing the HD and putting it in an external case, or, attempting a target (T key) boot to see if the HD is working.

Same thing with testing the battery.

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I've looked at the board, and it looks like no liquid has hit the board. I had to hold down the power button for a good 30 seconds to get any kind of power, I def got no video, I don't have a cable to test for external video. Is there a specific set of fuses on the board that can cause the dim green light?

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