Model A1181: 1.83, 2, 2.1, 2.13, 2.16, 2.2, or 2.4 GHz Core 2 Duo processor

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MacBook sleeps after seconds, no backlight when sleep sensor installed

After a small spill, when powering on, backlight comes on, chimes, backlight goes off, MacBook goes to sleep after a few seconds - it can be woken up and when shining a light on it, everything is there and works, but the computer continuously goes to sleep every few seconds. The battery is not detected by the MacBook and doesn't charge. After reading that this is a common occurrence after a spill, I decided to replace the sleep sensor/battery connector.

With the new sleep sensor/battery connector (purchased from ifixit), the problem persists. I decided to remove the sleep sensor/battery connector and reassemble the MacBook without one. Now it works perfectly fine when plugged in. Of course, this is better than my previous predicament but very inconvenient.

How can I get the sleep sensor/battery connector to work properly? The old one has some corrosion on it, which I'm assuming from is from the spill. I assume the new part works properly, but I don't have a way to test it.

The spill was localized to the trackpad/wrist area.

The last three digits of my serial number are -WGL.

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2.0 GHz Core 2 Duo (T7200)

Intro Date: November 8, 2006 Disc Date: May 15, 2007

Order No: MA700LL/A Model No: A1181 (EMC 2121)

Subfamily: Late 2006 Model ID: MacBook2,1

Std RAM: 1 GB Std VRAM: 64 MB

Std Storage: 80 GB (5400 RPM) Std Optical: 6X DL "SuperDrive"

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Maybe there's corrosion in the 20 small holes where the battery charging / sleep connector enters the logic board. Check in an electronic shop for contact cleaner fluid to clean this socket.

I don't know the connector pins value but there's surely a way to test with a multimeter if the battery charging / sleep board is functional or not.

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Thank you for your answer! I'll try that and report back on how it goes.

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ssgianoni will be eternally grateful.
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