:The shrader valve to the low pressure line on the ac system is directly under the high pressure line at the firewall (next to the battery). How do I charge this pig? Or do I find an adapter for the small line? You dont need an adapter to charge into the low side..I assume you have a guage set? just send the freon through the center port of the guage set, open the blue low side port and your set. plenty of room w/o the 134 adapter installed. if you like, you can put the adapter on the high side (near sight glass) for measurment purposes..nice to have a quick disconnect here..
