What are the connections I need to hook-up to solder a power supply to the dc in board of a G3 55mhz Icebook?

The gutted out jack, J2, has 3 solder points besides the shield that is not connected to the power supply.
______
[        ]      Which 2 do I solder   
-*-*-*-        the 2 powersupply
1 3 2          wires to? 24v and
                  the ground wire.

From left to right the 3 connections are marked as above.
The power supply I put the meter to only had 2 conductors, 25 volts and ground.
I would have checked it out but the jack was already gutted..

I would like to see if it will still work before buying battery, key board and dc in board.

Looking at the other side of the dc in board, 1 and 3 have a cap connecting to what I think is ground.

Number 2 just has solder.

#1 has a wide trace, so this may be the 24 volts power.

#3 has a very narrow trace that goes around the edge of the board. It looks to narrow to carry much voltage.

#2 has the solder connecting it directly to the same trace as the other 2 do with the caps, so I'm thinking it is ground.

I hate to juice it up not knowing for sure.

Check some of the guides at Ifixit.com .  I'm not quite sure which notebook you have, but maybe there is somthing with the same board that you may find with some trial and error.

I couldn't find anything about polarity or voltages. It was all modular take it apart and put it back together.

I've been through most of these also.

http://repair4laptop.org/disassembly_apple.html

Did you see this one:

http://www.faqintosh.com/risorse/en/guides/hw/ibook/pjack/

?

The first link of the http://repair4laptop.org/disassembly_apple.html page is a french version to repair the plug.

That is how I know that there is only the 24 volt and ground connected. But I didn't know that the .5 meg ohm resister was in the powersupply.

But the power supply replacement the previous owner had bought is working, so the info does me no good.

I'm talking about the jack on the dc in board. That is what got buggered up before I got it.

I want to connect a different power supply to the solder points where the jack was connected to the circuit board.

Looking at the dc in board there are 3 points, other than the shield, where the jack was soldered to the board. Point 1 is the one marked with the triangle, 3 is the one in the middle, and 2 is the outside away from point 1.

I think I have it figured out, but would like to have some confirmation.

Thanks for your reply.