Battery/Alternator

I have a 1998 Ford F-150 XL 4.2. Ive recently just had the Transmission replaced along with the compressor and accumulator. Immediately after the A/C attatchments, my new battery begins to die out fairly quick and causing the entire vehicle to shut down. I immediately thought, alternator, and it was. After i replaced the alternator i am still having this problem. Could it be something to do with the installation of the A/C that has caused my trouble. Broken Fuses? Or bad cable connections? I need help, and im sick of taking out loans to repair this beast. Thanks in advance.

Well...if anyone was wondering, after many hours of staring, and many dollars spent on parts and stuff. The alternator turned out to be fine, but the alternator cable that is suppose to plug into the Power Fuse box happened to be hidden underneath the intake manifold. After plugging back in, the truck is officially working. However....i do have other questions that are un answered.

1. Low RPM Clicking. Only when i apply gas. As i apply the gas, the sound is on up until i really get into it then the sound disappears with higher rpm. The sound is louder all of the sudden when the gears shift and the is normal when the shift is complete.
(Transmission was just rebuilt(auto transmission)) Could this be the fuel injection system? Power steering pump on the Serpentine belt(i don't know...its the only thing i haven't replaced on that belt besides the idler pulley and crankshaft) Or something else? Its not affecting the major operation of the vehicle, its just kinda annoying and could turn into a major problem.

2. How would i perform a tune up DIY style?

How loud is the clicking??

Audible over exaust pipes and Passenger Conversation. Ive had the noise since ive had the truck which is about four years.

Could this be the water pump seizing?

Can ou tell where the clicking is coming from (i.e. front, left, right, dash, etc.)?

Front Center. I thought it could be the Crankshaft pulley or the Water Pump. Not sure how true these statements are, seeing that i need to be in gear moving to hear it.

Is it possible that your speedometer is making the noise? I'm not sure how the newer ones work, but sometimes the older ones would click when they were wearing out. This usually isn't so loud you can't hear over it, though.

Put it in neutral while moving sometime and see if it still does it...

Neutral does not cause this noise while rolling.

If you have the truck in drive, apply the brake ad rev the engine. See if it does it then.

No need to do a brake stand, just rev it a few times.

Yes this noise does it while in gear, stationary, when a constant small amount of gas is applied when im on the brake. So im pretty sure its not the differential, speedometer, or transmission.

Have someone help you by sitting in the truck while in drive and press the brake and rev the engine a little. Have the hood up and stand next to it (on the side, not the front!!) to see if you can locate the sound.

Use someone you trust, so they don't run you over!

In addition, I wouldn't completely rule out the transmission (or some part of it) just yet...

possible a/c compressor clutch cycling, it will click in and out with the presure.

Thats definitely not it...sorry. I know what that sounds like. That was just replaced so that is good to go.

Did you identify exactly (or close to) where the noise is coming from?