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on 8/8/2002 6:05 AM, Mark Healey at marksvw@healeyonline.com wrote: > One thing I've never been able to find out about car radios is whether > the swithced 12V is the main operating voltage and the constant > 12V is just a trickle to hold the presets or if the constant 12V is > the operating voltage and the switched 12V is just a control signal. Most radios just have the constant 12V for the clock, and in some cases for the memory. They will run without that wire connected, the clock will just be wrong. HTH, Ben Doughney '75 1200L '63 1200 - Ringo '71 1600TL http://members.tripod.com/~superkafer/ ------------------------------------------------ To unsubscribe, E-mail to: <type3-off@vwtype3.org> For more help, see http://vwtype3.org/list/