I have a nice ringer and need to test a few red HVUs. I know I can trace leads, etc to get the 2 test points, but does anybody know them? thanks Dave To UNSUBSCRIBE from techtoolslist, send a message with "UNSUBSCRIBE" in the message body to: techtoolslist-request@flippers.com. Please direct other questions, comments, or problems to jrr@flippers.com.