If I remember correctly, the old style switch is coloured black and the newer one is white.
Of course, you will be able to see it first either from the underside of the dash (too restrictive for my old bones) or by removing the air vent (my way of replacing the damn thing) & peering in...
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2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley.
2001 MV Agusta F4.
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