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Q:

rebuiltmy 4.0 engine now its like it won't read my ignition key on 2001 Jeep Grand Cherokee

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
my battery was unhooked for about 3 mos.it runs for about 2secs.the guages don't work and the key indicator stays lit in the dash.i think it has something to do with the alarm system' but don't know what to do about it
(1) Answer
you have to get the system reprogrammed to sync. up with the new component.