> Of course you could probably put some sort of a sensor on the
> speedometer itself - maybe a microswitch glued to the speedo at
> 40mph that the needle would hit and trip - of course it'd be damn
> tough to make the speedo work above that speed, then, and pegging
> it's travel would probably not do the motor that moves it any good
> =)--
Well, that gives me another idea. If you're into diggin into the
cluster (i don't know how bat it is back here) the speedo is at some
point probably driven by a D/A converter. You could set up a
comparator to look for that voltage. It's probably encased in the
cluster, though, and not accessible.
Best bet is probably the speed sensor and either a digital counter
or analog "counter".
eric
-- 1974 Valiant 4-door, 318 1999 Dakota Ext Cab, 2WD
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