Most likely the wires broke-off at the solder joint.  That's more of a pain.  The thing to do is get yourself a magnifying glass and carefully inspect the heater until you find missing leads.  Take your time; it will take some time.  When, or if, you find the places you'll need to do a bit of analysis as to which wire goes where.  In general the wires should match to the same color: black to black, white to white.  In practice, it doesn't always work that way.

SAFETY ISSUE!  ASSUME YOUR RE-WIRING IS INCORRECT!!!!!

Should you get the thing re-wired, conduct the test outside in a safe place.  Make sure there is no power running to the heater.  Turn it on.  Then apply power from a safe distance.  The best would be a power strip or something with a switch.  

If the heater smokes or makes funny buzzing noises turn the power off.  Reverse the wires and try again.

Then threw it in the sink, washed it motor an all and set it out in the sun.

[gibbers]

Motors, not usually washable. Lubrication oil won't take kindly to being dunked. Especially bad if you used soap or detergent.