91 silverado AC parts required for R134a

[GoToGuy]

My 95 K2500 has high pressure cutoff switch, standard. On back of compressor 11 o'clock position.

 

[jwc55]

My 95 K2500 has high pressure cutoff switch, standard. On back of compressor 11 o'clock position.

Yes, I've had a look at a friends 95 and seen the switch. The compressor ships with a block off plate and o-ring in place of the switch.