yeah i already repaired tons of those beauties awhile back, and yes they had Caps failure... but some has Microcontroller failure as well. Maybe you could have a look at the following which explain it to you better than i could
http://www.ecmtogo.com/ECMTips2.htm


And yes, they also have plenty faulty contact/wiring problem too... good old time

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Your config fuse setting is wrong, i suggest you open the .INC file in the PBP folder to see how they set the default one AND to have a look at the following
http://www.picbasic.co.uk/forum/showthread.php?t=543

Make sure you really disable ALL analog stuff with your current settings AND that you disable the LVP mode in your config fuses.