update on aux fans. i installed temp and pressure switches on drier. fans now come on high when a/c is off. they shut off when a/c is on. the compressore doesnt shut off when the pressure gets too high even with the new pressure switch. i dont have a decade box so i wont be able to pull head unit and check from there. any suggestions? by the way, with a/c off the fans come on low with ignition on. with engine running and a/c off they come on high.

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'81 240D -sold
'89 300E -sold
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'79 300SD-
'97 E300D
'95 YOTA4WD