it is on the A/C Condenser
in the low side hose by the condenser
The low side line, pass. side.
The AC low side service port on a 1999 Chevy Astro van is located next to the firewall. It is the port that is closest to the evaporator.
The low pressure AC service port can be found on the side of the accumulator/receiver dryer.
That would be the low pressure service port and it should be located on the receiver/dryer.
There is an Aluminum tank on the passenger side of the engine compartment. The low pressure switch is usually mounted to and tucked behind it.
on the passenger side close to the firewall on the receiver dryer
Bad halogen bulb
Low side service port is against the firewall just underneath the alternator. It has a Blue cap on it.
Not sure what your asking yes you charge from the low pressure port it is the smaller one your hose should not fit on the high pressure side
If you are talking about A/C low pressure side fitting it is located on the passenger side of the car underneath the hood, you will have to look in the back it is a deeper inside.
Look on passenger side of radiator about 6 inches down on the side its right there.