1992 Lexus LS 400

Air Conditioning problem
1992 Lexus LS 400 V8 Automatic 196000 miles

I recently installed a new ac compressor with new condensor fans the problem is the condensor fans will not come on when they are suppose to or when ac is running. I bought the vehicle used 4 years ago and then only 1 fan worked but 2 weeks ago I installed 2 fans that were tested and worked fine before installing them can anybody help me with this one the mechanic shop is starting to get greedy and want to charge for too many diag fees
May 21, 2008.

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