Thanks Jeff; But I presume these diodes are part of the "run" circuit. This shuts down even though the F501 is open. Thanks. -Ed- Tel-Tek Electronics Ontario-Canada teltek3@xxxxxxxxxxxx teltek@xxxxxxxxx "Learn from past mistakes.Or you are bound to repeat them" On Nov 15, 2005, at 4:25 PM, Shoreline Electronics wrote: > > ----------------------------------------------------------------------------- This Email List is accessible to the general public through search engines. Remove: http://www.tech-assist.org/remove.htm Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/