Problems Adding 2nd Hard Drive

Bought a new Western Digital WD10EARS 1 TB hard drive to add into drive bay "B" in my G5. I have two problems:
1) Unfortunately the drive has no mounting "buttons" (screw-mounted hemispherical plastic buttons) that screw into the sides of the drive. These are needed to retain the drive in the molded plastic drive holder in the Mac. I need to source four of these buttons before I can install the drive.
2) Also unfortunately, the new drive does not have a 4-pin Molex-type power input connector like the one on my OEM WD2500 hard drive in drive bay "A." In fact I see no power connector at all. There are two small connectors on the left side of the rear panel of both drives that look identical, and Apple has supplied extra matching connectors which will work with the new drive, and there is also a spare power plug of the Molex type in the Apple wire harness, but since there is no corresponding connector on the new drive, I am out of luck there. Unless, somehow, power would be fed to the new drive on one of the left side connectors that do match...
Would appreciate any useful advice, thanks!
---- Bill Strohm

Thanks to both BDAqua and Old Comm for your responses. I will check for those 4 spare "overmold" mounting buttons after sending this reply. They should be there; never touched them previously. That will take care of problem #1.
Now for problem #2:
"Yes, SATA Power is not shaped like Molex. They are likely there already, both SATA Power & SATA Data, just hidden beside/behind the other drive or mountings. There are Molex->SATA power adapters though."
Not sure what this means. As I wrote above, Apple has provided a spare Molex power connector on the same wire harness as used by the OEM drive, but there is no connector to plug it into on the new drive. Apple has also provided a spare set of two connectors, identical to the two connectors on the left side of the OEM drive, which look to match the two connectors on the left side of the new drive. Is one of those two connectors the "SATA" power connector? Or are you saying there is a third "SATA" power connector hiding somewhere in the computer chassis that I cannot see? Trouble is, I don't know what a "SATA power connector" looks like. The only unused connector on the new drive is over on the right side of the rear, on the drive's PC card itself, recessed way back behind a cutout in the right side of the panel, i.e. the panel doesn't run all the way across the rear of the drive; it stops short, leaving an opening through which I can see the top of the PC card which has a very small four-pin connector attached. Is that the SATA power connector? Seems very small to be for power... ??

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