A/C Not always Cooling
I had the same problem with my 99 I did the same thing as you and checked the freon what I found to be the problem was the magnetic clutch field was getting weak the hotter the temp got under the hood and would not pull the drive hub in.-mad
The way I found it was...
Fuel Heater ?
If you are running production grade B-50 you will not need to heat it up it will flow just find for Ga. weather.
If you plan on running pure waste oil from local fast food joints you will need to stain it down to 2 microns and store it in another tank in the bed that has a hot...
Feed Cat Ex-Lax, Scrub cat's butt with brillo Pad Pour Acetone on Butt and Toss in 2 Old Lesbians Front Door and Ruuuunnnnn:eek:
Also Flushed 5 M-80 Fireworks (Illegal in Texas) Down Toilets at School
Man did it Piss the Girls off when it back flushed-mad :cool:
Will the engine not turnover or just not fire up:
When you had the batteries tested did they test with the cable connected or disconnected?:confused:
Also check the starter solenoid and started battery post I have found a loose wire that wire loose contact when hot.