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 five wire heater motor wiring
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buster133
Advanced Member

USA
414 Posts

Posted - 02/04/2013 :  3:30:24 PM  Show Profile  Reply with Quote
Does anybody have a wiring diagram handy for a 5-wire,FW490 cw/ccw reversible heater motor? Ive got blue, yellow, orange, red & black wires on the motor. Did some research online but came back with nothing, but apparently these are universal motors and the wiring configuration determines what direction it turns. I need it to operate cw for the step heaters on my 03-06 Thomas conventionals. Ive got six of them on the shelf and Id hate to waste them and Im out of GR314s so nows the time to get them working.

baptistbusman1
Senior Member

USA
71 Posts

Posted - 02/04/2013 :  3:58:49 PM  Show Profile  Reply with Quote
On the motor you splice the black and blue together for it to run clockwise. Then the orange goes to orange and red goes to red and yellow goes to the black.

I was formally Baptistbusman. However, I lost my password, and had not updated my email address.

Here is a link to my old posts. http://www.schoolbusfleet.com/forum/search.asp?mode=DoIt&MEMBER_ID=1846
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Troy87
Active Member

United States
25 Posts

Posted - 02/05/2013 :  04:23:10 AM  Show Profile  Reply with Quote
Red and Orange are hi and low speeds

clockwise: connect blue and black together...yellow is ground
counter clockwise: connect blue and yellow ... black is ground
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buster133
Advanced Member

USA
414 Posts

Posted - 02/05/2013 :  4:00:18 PM  Show Profile  Reply with Quote
Thanks guys,I hooked one up today and it works like a dream.

[URL=http://s7.photobucket.com/user/buster133/media/6f2e0703-1970-4ac9-bb1f-b6b9d7c12297_zps1741e113.jpg.html][/URL]
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