need a wiring diagram for 2003 expedition
 

hey i have had my truck for about 2 weeks now and it has alot of minor electrical issues

-the a/c and heated seat switch doesnt illuminate or trigger either one to work
-the rear wiper doesnt function
-the interior lights do not turn on when i open the door but turn on when i manually press the interior light switch on the dash
-some of the switches on the door panels dont illuminate
-the automatic headlight position doenst automatically turn them on

any advice will help thanks in advance guys im new to this forum and could really use your guys' help

Try here:
Factory Wiring Diagrams @ The Automotive Research Desk

Some things to try..

-the interior lights, try WD40 in the latches, open and close 20 times, repeat WD40.