a/c pressure switch

[gros ventre]

does anybody know where i can get a a/c pressure switch cannot seem to find it anywhere been online for hours

1995 legacy ls sedan

Edited Monday at 07:22 PM by gros ventre

[bushytails]

I think you're posted in the wrong section, so you might get fewer views.

I don't know where to find that specific switch, but they're fairly generic - just find one with the same thread and function, or get a new binary or trinary switch.

Have you confirmed the switch is bad?  They don't fail very often.  I assume it's staying open even when your manifold gauges show correct pressures, and jumpering it kicks the compressor on?

[gros ventre]

On 3/31/2025 at 7:00 PM, bushytails said:

I think you're posted in the wrong section, so you might get fewer views.

I don't know where to find that specific switch, but they're fairly generic - just find one with the same thread and function, or get a new binary or trinary switch.

Have you confirmed the switch is bad?  They don't fail very often.  I assume it's staying open even when your manifold gauges show correct pressures, and jumpering it kicks the compressor on?

thankyou im not very computer literate i did do tests with my multimeter ohms and continuity checked the switch the compressor fuses relays and the only thing i didnt get a reading on was the switch so i decided start with it considering they are fairly cheap

[bushytails]

Have you put gauges on the system?

[nvu]

as a test you can just skip it all together and short the connector pins together. the compressor should kick on.

its function is pretty basic, too high or too low pressure it'll switch off.  it'll short the pins when the pressure is nominal.