I bought this Jacobs ignition system off of Ebay. http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&ih=015&sspagename=STRK%3AMEWN%3AIT&viewitem=&item=250247770537&rd=1 Will it work with my 2001 Jeep Cherokee Laredo? What do I need to make it work if it isnt compatible?