Friday, July 6th, 2007 AT 10:51 AM
1996 Ford Taurus LX 3.0 ltr. OHC V6 recently changed the engine (used) turned fine on the engine stand. But when installed hard to turn. Starter won't turn the engine but it will by hand. Replaced starter still no good. Checked all wiring and battey is charged. What did I do wrong?

