I had this same problem except jumping the green switch made it come on, does the refrigerent have to be taken out to replace this switch or is there a schrader valve underneath it? I have heard I should change it to the red switch as it comes on sooner?

BigRichard72@home.com

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BigRichard1972

1987 Mercedes 260e (w124)
1968 Chevy Truck "Goldie"
1985 Brunette "Margaret"