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On Thu, 16 Aug 2001 08:39:15 -0500, Jim Adney wrote: >On 17 Aug 2001, at 0:05, Mark Healey wrote: > >> On Wed, 15 Aug 2001 20:10:07 -0600, Jim Adney wrote: >> >> >On 16 Aug 2001, at 15:02, Mark Healey wrote: > >> >> The charging voltage is 13 >> > >> >It should be above 14 at the battery with a warm engine and at med >> >rpm. If it is below 13 under these conditions replace the voltage >> >regulator with a genuine Bosch. >> >> Medium RPM? I did it at idle which is at 800. > >At idle the charging system isn't doing anything so the only thing >you're checking is the battery voltage which is slowly running >down. What you need to test is the Charging System regulating >voltage which you can only measure at a high enough rpm to get >the output voltage up high enough to regulate. > >If you watch what the voltage does as you up the rpm you will see >that it rises slowly and then levels off at some value. That value is >the regulating voltage. So just watch for it to level off, then measure. Did that. It levels off at 14. What do I check next? Mark Healey 71 FI auto square 71 FI manual square marksvw@healeyonline.com ------------------------------------------------------------------- Search old messages on the Web! Visit http://www.vwtype3.org/list/