Compressor engages. Motor lugs down. Rpms plummeted. Compress disengages motor goes back to idle.

Mine will shake enough that it's visible by spectators. Mine only does that when I either just did the hill climb or 65+ freeway driving.

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DAILY: 2004 4Runner 4x4 4.0 un-molested, '92 Kawasaki 550 stand-up
PROJECT TRUCK: 2010 DSG 4x4 auto 4.0, 33x12.5, RCD'd, 'Duck-Fart'