I saw this on Ebay and was wondering if my keypad would arm and disarm this alarm SILVER SYSTEM PART# 1L3Z-19G364-BA
http://cgi.ebay.com/ws/eBayISAPI.dll...category=48611

(I have a 2003 F150 XLT that came with remote entry and I added the keypad) any input would great.

TIA John