wiper motor replacement

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i'm looking for a windshield wiper motor for a 98 camry. anyone know where i can get a good deal on used or new parts?

also, how complicated is the repair? i was thinking :

1) d/c the battery
2) unplug the motor (sitting on the firewall)
3) remove bracket
4) replace with new one

sounds simple enough in theory. anyone tried it on a similar car before?

thanks.