What is your question?
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What is your question?
hi pressure switch melted on back of compressor. replaced switch compressor not engaging put scanner on truck showing a/c request but not engaging can ground one leg of relay and a/c engages .at PCM #43 green wire a/c compressor relay control has 12v with power probe can supply ground and engage compressor.getting 12v at low pressure switch and ground.What am I missing