405 door lock question
Trygve D. Oye (tryg@u.washington.edu)
Tue, 21 Jul 1998 14:18:32 -0700
I'm installing a security system on my 405 and I need to know what type
of door lock system I have. Is it a positive-system, or a negative
system? there is another type called reverse polarity, but I doubt it
is that.
Thank you!
Trygve Oye
-Seattle, WA