I just ran the car down the road and back. I got about a mile down the road when the A/C stopped working again.

I pulled over and checked the connections on the low-pressure switch. All looked fine.

I drove back home and performed the same continuity check as before. All looked fine. I reconnected the wires, expecting the compressor clutch to engage, but it did not. It is back to the 3-5 second, only on startup thing again.

This mystifies me.

Also (perhaps related?) the aux. fan will not come on at all now (even with the engine temp. sensor unplugged).

I'm going to wait until tomorrow to look at this again.

Any thoughts on my weird temporary fix?

-Brett