It seems to me that if you did this...
I then did this...I took off the output hose of the heater hose while keeping the kink on the bypass hose just to see if flow coming out.....but the enging was too hot, and the thermostat was open and wasnt getting flow.
and you weren't getting any flow, the problem is in the pump.
Regarding another question you asked some where in here, how could the heater have good flow, and still be clogged? You may have 150 tubes in the core, but only need 20 tubes clear for good flow. In this case the core would be working at a mere 15% capacity.
__________________
BroncoJoe19
2006 Alt Fuel Jeep (electric)
'98 windstar 3.8L
'99 Crown Vic 4.6L
'90 Full Size Bronco 5.0L
I'm not a professional mechanic, take my suggestions with a grain of salt, or a cup of coffee 
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