Thanks very much!Download a copy of the FSM for your car from:
Nissan Sentra Service Repair Manuals
Nissan Sentra Service Repair Manual PDF Free Download 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011diyservicemanuals.com
You'll find the electrical wiring schematics there.