Can't get body off of Athearn SW1500

How do you get body off of an Athearn SW1500 DCC quick-plug equipped engine so I can put a decoder in.

Thanks,

Rob

I don’t have any of these units, but this might help.

http://www.tcsdcc.com/public_html/Customer_Content/Installation_Pictures/HO_Scale/Athearn/SW1500_DCC_Ready/Athearn_SW1500_DCC_Ready.html

You remove the coupler pockets and the body will come off.