Now that I have the K-Line MP-15, I would like to slow it down a bit and wire the motors in series.  Before I start cutting wires I would like some assistance.  Here is a photo of the wiring as it came from the factory.  Which wires should I cut and splice ?

IMG_5930

Dan Padova

 

"In the course of my life I have had to eat my words, and I must confess it was a wholesome diet"..........Winston Churchill

                                                                                                                                        

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Original Post

Follow the brown wire down from the reverse unit... it should be connected to a yellow wire and a blue wire on the terminal block. If it is, disconnect two blue wires from the terminal block and connect them to each other(or, disconnect two yellow wires and connect them to each other if that's easier). 

That's it!

Rob

ADCX Rob posted:

Follow the brown wire down from the reverse unit... it should be connected to a yellow wire and a blue wire on the terminal block. If it is, disconnect two blue wires from the terminal block and connect them to each other(or, disconnect two yellow wires and connect them to each other if that's easier). 

That's it!

Thanks Rob.  So the "Terminal Block" would be the square piece just left of center, in the photo ?    The two Blue wires OR the two Yellow wires that are heading down into the terminal block are the ones you are talking about, correct ?   Either set, the blue or the yellow can be cut and spliced ?

This picture may be a bit clearer.  I didn't remove what I think is the E-Unit, which is toward the right.

IMG_5928

Dan Padova

 

"In the course of my life I have had to eat my words, and I must confess it was a wholesome diet"..........Winston Churchill

                                                                                                                                        

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If you look at the terminal block- the translucent white plastic square - you can see the copper bus strips inside the block. In both of your pics, I can't tell if the yellow & blue wires are plugged in to the same bus because the view is obstructed. One more picture from the other side should confirm if the yellow wires are connected on the same strip or not.

Rob

ADCX Rob posted:

From the top, left to right, here is what i see:

Yellow-Blue-Brown
Blue-Yellow-Blue
Black-Black-Black
Red-Red-Red

Rob, thank you for your patience.  Here are more views.  I loosened the terminal block from it's two clips.and took these photos.  I think they are a bit more clear.  

I can see the brass strips on the underside and here's the way I read it starting at the top of the picture, left to right.

Yellow - Blue

Blue - Yellow

2 Blacks - 2 Blacks

2 Reds - 2 Reds

The brass bus bars are running left to right across the picture.  

 

 

IMG_5931IMG_5932IMG_5933IMG_5934

Dan Padova

 

"In the course of my life I have had to eat my words, and I must confess it was a wholesome diet"..........Winston Churchill

                                                                                                                                        

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Much Better! I am now seeing:

Yellow-Blue-Brown
Blue-Yellow-Blue
Black-Black-Black-Black
Red-Red-Red-Red

So my original instruction stands - disconnect the two blue wires from the terminal block and connect them to each other(or, disconnect the two yellow wires and connect them to each other if that's easier).

Rob

Thanks again Rob.  I now have tomorrow's job all lined up with no guessing !!

Dan Padova

 

"In the course of my life I have had to eat my words, and I must confess it was a wholesome diet"..........Winston Churchill

                                                                                                                                        

Got the wiring done.  Loco performs much better now.  No jack rabbit starts.  Speed is reduced to a manageable level for grandson #1.

Thanks again Rob.

Dan Padova

 

"In the course of my life I have had to eat my words, and I must confess it was a wholesome diet"..........Winston Churchill

                                                                                                                                        

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