Matatk wrote:
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95vette wrote:
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patgizz wrote:
can turn both on with the aldl brian

i'll check for reference signal and ground at the cts plug and see what happens when i turn on the AC - does it matter if it is empty? i had to remove the compressor to pull the valve covers to get the superram off.

An empty system won't matter. The pressure switch should keep the compressor clutch from engaging, but the fans should still come on.

Not sure on the 91, but on the 89 if there is not enough head pressure in the a/c the fan won't kick on, I was dealing with this issue myself.

Matthew