for upgrades only
if upgrading from the old system 00-00683 or 54-00074, you will also need to purchase cable 544915 & 544914. tw 9-22-10
If replacing a EMS system of 00-00767-000. You will need the following parts.
491551 - 1 ea
442116 - 1 ea
544914- 1 ea
544915- 1 each tp 4-16-2013