Alternating Green / Orange Light - Charging and On Battery

I am seeing the battery charge status alternating from charging to not charging and at the same time the adapter ring is from Orange to Green on a random basis. It is almost like the power adapter is loose, but I tried 2 seperate adapters and the same thing happens. Now, once the powerbook is fully charged the problems seem to vanish unless you actually wiggle the cord.
I have tried resetting the power management with holding down the power button after unplugging and removing battery. I also have tried the COMMAND-OPTION-P-R keypress on startup. The battery has 300 cycles.
Does anyone have any ideas that I can try or is this a DC Board that needs to be replaced?
Powerbook G4 - Alumn. 15" Mac OS X (10.4.4)

Just a follow-up for anyone else having this problem.
After a very unsatisfactory issue with AppleCare I went into the local Apple store and waited for 2 hours to see a Genious. He was helpful and noticed the cord was loose (great observation since I had told him that) and he gave me a new power supply. I have to say, he tried to help. Got the powerbook home, plugged in with the new power supply and guess what? Same issue again. I was so impressed. Anyways, a few weeks ago when the problem started I had orderd a new DC board from powerbookmedic.com (I DO NOT RECOMMEND ANYONE DOING THIS!!!!) and followed some directions, took it apart and changed the board. Guess what, problem solved.
I am writing some letters over the next few days to Apple. They need to train their techs on the phone to LISTEN to the customer. Every contact I have had was to try and NOT do anything. It is totally unsatisfactory.

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Hi
Last night my macbook pro gets off automatically when battery gets empty and in the morning it isn't turning on. When i connect the charger, the light on the charger turns green to orange (showing that it is charging) but when i press the power button it suddenly changes to green again. I thought there must not be any connection between the charger light and the power button. And battery meter was running fine.
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[image from http://microdocusa.com/specials.html ]
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Battery Information:
Model Information:
Manufacturer:          DP
Device name:          ASMB016
Pack Lot Code:          0002
PCB Lot Code:          0000
Firmware Version:          102a
Hardware Revision:          0500
Cell Revision:          0102
Charge Information:
Charge remaining (mAh):          0
Fully charged:          No
Charging:          No
Full charge capacity (mAh):          0
Health Information:
Cycle count:          1
Condition:          Replace Now
Battery Installed:          Yes
Amperage (mA):          0
Voltage (mV):          6940
System Power Settings:
AC Power:
System Sleep Timer (Minutes):          10
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          10
Automatic Restart On Power Loss:          No
Wake On AC Change:          No
Wake On Clamshell Open:          Yes
Wake On LAN:          No
Current Power Source:          Yes
Display Sleep Uses Dim:          Yes
Battery Power:
System Sleep Timer (Minutes):          10
Disk Sleep Timer (Minutes):          10
Display Sleep Timer (Minutes):          2
Wake On AC Change:          No
Wake On Clamshell Open:          Yes
Display Sleep Uses Dim:          Yes
Reduce Brightness:          Yes
Hardware Configuration:
UPS Installed:          No
AC Charger Information:
Connected:          Yes
ID:          0x0100
Wattage (W):          60
Revision:          0x0000
Family:          0x00ba
Serial Number:          0x00391563
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Interesting, since I'm experiencing similar issues (https://discussions.apple.com/message/20098653#20098653)
But before you go back, try this first: http://support.apple.com/kb/HT3421
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ugh this is so frusturating. so yesterday for
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ATTENTION APPLE MODERATORS -
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http://partsurfer.hp.com/Search.aspx?type=PROD&SearchText=F4685H
-wes
I am an HP employee.

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Alternating Green / Orange Light - Charging and On Battery

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