Help please. Where is the low pressure AC connection?

[cook93SLOSHO]

The previous owner of my car (93 SHO MTX) said he converted the AC over to 134 but removed the R12 to R134 adapters because he thought that they tended to leak.
Well, I think he's crazy and I want to install some but I could't find the low side (cold). Anyone know where it is?

TIA, Matt.

 

[luigisho]

Toward the back near the firewall passenger side

 

[cook93SLOSHO]

I looked there because that's where most vehicles are but I didn't see it...

 

[EL SHO]

If you have the plastic cover on the firewall you need to remove it so you can see it.

 

[cook93SLOSHO]

AHHH! I'll check that out. Thanks!