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Extruder swap: electrical connectors for thermistor and core
#1
I'm about to switch to the E3d v6, but I'd like to keep my old extruder/hot end assembly intact. Has anybody already determined the exact connectors to use on the fan, thermistor, and heater core so that I don't have cut the connectors off the factory assembly and reuse them?

Thanks.
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#2
They are 2.5 mm JST 2 pin connectors for the fan and thermistor, and for the I believe they are JST 5.5mm 2 pins, but not sure. Good luck finding them anywhere in the states for a good price though. The only place I have found the assembled pigtails for the 2.5mm ones is adafriut which comes to more then 13 dollars for one plug...
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#3
My solution was to reuse the stock thermister and heater cartridge. They can easily be removed, and vice versa, from the stock hotend assembly.
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#4
Look at battery box's or connectors for RC batteries. I was able to find the connectors at my local electronics store for around 2 dollars. I bought battery box's because I needed the box's for another project, but they also had extension wires with the same connector for around a dollar.
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#5
Here's what I've found:

For the 2.54mm 2-pin JST:


For the heat core:
[url=http://www.amazon.com/10Pairs-13cm-2Pins-Female-Connector/dp/B00MJVKKKI/ref=pd_sim_sbs_e_5?ie=UTF8&refRID=095E5T469VXSD491PSQM


I'd check my own stuff, but the printer is running right now.
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#6
In my case
2.5mm JST is wrong
correct is JST 2.0 2Pin

http://www.amazon.com/50pcs-28AWG-2Pin-P...CA153P1QH5[Image: IMAG2677.jpg][Image: xyzstock.jpg][Image: IMAG2679.jpg]
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#7
Indeed, I just received a set of JST 2.54 from aliexpress and they don't fit..
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