Is there a way to test this relay? I jumped my chum's compressor on his 300E and it seemed to be fine (pressure switch checks out) and the PBU is okay too.

I know the Kilma has to meet a full set of parameters before allowing the comp to run...

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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]