agridi57

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I have a 96 SC400 and had the same problem. The local Lexus parts man initially told me that I have to buy the whole thing. I told him that I have read in this forum that is not so. He then look the thing up and found it. It was something like $6-8.

The wire(s) are viewable from the top.....they are the ones that you can see that seem to drift off into the compressor pulley.

One of these wires comes out and is grounded to the Black painted bracket with philips head screw. Two screws are used to attach the bracket to the compressor.

To remove these two screws You will probably need to release the cable clip as I think it clips into the bracket, from memory.

Clean the connection points between this wire connector and the bracket and between this bracket and the compressor.

Re-install the two philips head screws and reclip the cable run.

Hopefully this works for you (or someone) as well.

Thanks osucool.

Over the past few years this problem has come a back few times. Each time I mess with the wires and everything is fixed.

The probem I now realize is corrosion on the wire connector....The ring connector that attaches the one wire to the compressor body.

I believe this wire is the ground path and not making good connections. Upon cleaning the connector and the bracket and re-install this fixes everything.

Hopefully this will further help other folks with similar issues down the road.

Do this before replacing your compressor.

osucool,

I think I may have the same problem. I have a 96 SC400 with 180,000 miles. The A/C stopped working last summer. I took the car to the dealer and they told me that the compressor is stuck and the whole job will cost $3000 - $4000. I politely said that I could not afford the cost for the repair and left. As I was driving home, the A/C suddenly kicked on and worked fine for the next 3 summer months. However, the problem reappeared after not driving the car for a month in late August.

My question is can you see the connectors/wires from the top or do you have to get under the car to see them. Any pics by any chance showing what to look for?

Thanks in advance