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Tip: 37060 with 41351 41352 41361 41362 41371 Coach LED Lighting Date: 22-10-2017

http://members.ozemail.com.au/~rossstew/rms/marklin.html 1

Hi All,

The 37060 EP 3/6 K.Bay.Sts.B locomotive was manufactured in 1999 by Trix for the Märklin

assortment. I have had the locomotive since its release but haven’t run it on my layout because of a lack

of suitable coaches until I obtained in 24-06-2010, 2x 41351, 2x 41361 coaches and 1x 41371 baggage

car manufactured in 1996. I also obtained 2x 41352 and 1x 41362 coaches without the painted car wall

details which will allow me to make up an eight car train pulled by the 37060 locomotive. I still haven’t

run the train until now because the train didn’t have any lighting.

This is the first time I changed how I installed the LED lighting in the coaches and was very pleased with

the warm white even lighting I achieved. If I have sparked your interest please read on.

37060 Locomotive LED Light Upgrade with Red Rear Lights

This electric locomotive is unusual because it

has a smoke unit 72270 for coach heating which

I installed when I purchased it. The LED light

upgrade was done some time ago but for some

reason I didn’t document it.

The photo on the left shows the red LED

lighting at the rear of the locomotive and the

photo on the right shows the LED front lighting.



37060 Locomotive continued

Caution: - If you want to

do this lighting upgrade

the body shell is held to

the chassis by four clips

and care should be taken

when removing the shell

because it is a tight fit. I

cut four thin plastic strips

to insert between the body shell and the chassis to prevent the clips catching while trying to remove the

shell see yellow arrows below.

The original bulb fitting is easy to remove once the brown cover at each end is removed. The screw at the

smoke unit end is covered by the electrical contact which has to be bent away from the top of the screw to

provide access to the screw head. Long nose pliers are required for this operation see red arrow.

The placement of the LED’s is important to

make use of the existing light pipes. The red

0603 LED needs to be placed at the centre and

the warm white PLCC2 LED off to the side

for the light pipe that goes to the top light.

To mount the LED’s in the correct position I glued some clear plastic film in a bent position to provide

insulation and support the red LED at the centre position with the white LED next to it as shown. The

LED’s were glued with hot melt glue after I had solder wires to the LEDs’

The current limiting resistors are 1k and are soldered in line with the wires that are soldered to the

cathode side of the LED’s. The resistors lay in the free bulb holder recess as shown above.




Wiring Diagram

The orange arrow indicates the +Plus solder pads at each end of the locomotive.

The yellow arrow indicates the rear light solder pad. The grey arrow indicates the front light solder pad.

Please note the two black wires in the photos above are for the red LED connections to the opposite end

of the locomotive for the main LED solder pad.

All resistors are 1k. The main warm white LED’s are PLCC2 size and the red LED’s are 0603 size.

Left photo lights are off. Middle photo, front direction white light and right photo, rear direction red light.

You may also get some red light bleeding into the top light but not enough to worry about.

Yellow Grey

Rear Front

+Plus 1k

1k

1k

1k

1k




I tried to capture the locomotive with smoke unit and front lights on.



Coach LED Lighting

41371 Baggage Car Lighting

The baggage car with LED lights on has the 6080 decoder with collector shoe and wheel contacts and is

the power source for the entire train of eight coaches.

The collector shoe and wheel contacts are mounted on the rear bogie. I used gel super glue to glue two

rolled IC pins as a socket to the coupling pocket. Please note that the coupling should be removed when

the glue is used to prevent gluing the coupling into the coupling socket.

The wires on the socket are protected with heat shrink tube. You will also notice I have protected the

wires from rubbing on the axle by pre shrinking the tube on a 1mm diameter drill and used gel super glue

to glue the tube under the axle as shown yellow arrow. It is most important that the axle doesn’t rub on

the heat shrink tube causing drag to the coach. This method is used for each coach.

On the left I drilled a 2mm hole through the dividing panel and threaded the wires from the collector shoe

(black wire) and the wheel contacts (brown wire). For the wires on the right from the coupling socket I

soldered individual Rolled IC pins to be used as a plug into the lighting PCB.



41371 Baggage Car continued

Using a 6080 decoder I set the code to #36 to match the locomotive address. I removed the motor wires

and the reversing coil centre black wire. The assembled diode bridge and 470uF capacitor with two rolled

IC pins for sockets for the +plus (orange arrow) and negative (black arrow) supply as shown above were

soldered to Vero board.

Decoder Wiring Diagram

The two yellow wires from the decoder were soldered together for the F0 function which will operate in

the forward or reverse direction.

The wires from the collector shoe and wheel contacts are soldered direct to the Vero board at the location

marked by the brown and red arrows top photo.

The Vero board PCB and decoder are held in position with hot melt glue.

6080 F0

470uF

35V

Decoder

~ ~ 15Vdc

+Plus

-Neg



41371 Baggage Car continued

The Vero board lighting strip 160 mm length only required three warm white PLCC2 LED’s at a spacing

of approx. 56mm (2.2”) with the centre LED mounted in the centre of the body shell. The copper foils

under the LED’s have been cut using a 3mm drill. One 1k resistor is used for the current limiting of the

LED’s and on the foils +Plus and –Neg near the resistor is two Rolled IC pins used as sockets for the train

lighting supply.

The red arrow +Plus is linked across to the middle foil which connects to the anode of the first LED.

Two wires on the left are soldered to the Vero board lighting strip before gluing into position. At the other

end of the wires are a single rolled IC pin used as a plug with the plus marked with a white band on the

heat shrink.

The LED lighting strip is glued into the coach roof with hot melt glue at both ends and in the middle.

Wiring Diagram Baggage Car LED Lighting

Assembly Procedure for the Baggage Car

Lay the body shell next to the chassis as shown above. Connect the wires +Plus and –Neg on the left to

the power supply Vero board making sure the correct connections are made. On the right plug in the wires

from the coupling socket to the +Plus and –Neg sockets on the lighting strip. Carefully assemble the body

shell onto the chassis making sure no wires are pinched.

Having connectors allows for serviceability later on if required.

+Plus

-Neg

1k



Coach General Notes

The baggage car on the left is the power source for all the train coach lights (socket connection) with the

first coach plugging into it.

As a rule I arrange all the coaches in the order I want the train to be assembled. This allows me to decide

which end I want to have the electrical plug and socket and to make sure I get the +Plus side on the same

side for the entire train to make joining the coaches consistent.

The wires must have freedom of movement and you will notice the wire loops are soldered to a small

Vero board inter connection panel. This was done for each coach making further service easy.

Coupling Modifications

As the electrical cables pass underneath the couplings I removed the

portion of the uncoupler bar (marked in orange) at the location of the

red arrow using side cutters. This allows for easier connection of the

plug and socket but also allows you to still uncouple the coaches.

PCB for Power Supply and LED Lighting (typical)

Seven lighting strips with the same dimensions are required see below. Photo is not to scale.

Each LED has a spacing of 27mm (1.1”) and equally spaced about the centre of the lighting strip. Under

each LED the copper foil has been cut to allow a series circuit for three LED’s see diagram below.

The LED PCB is used to mount the PLCC2 warm white LED’s and to supply power through the coach.

The black arrow is the –Neg connection and the cathode of the LED’s at each end of the strip connects to

the 1k limiting resistor. The orange wire is the +plus supply. In the middle of the PCB (red arrow) there is

a small wire link between the +plus and the anodes of the two LED’s, refer to wiring diagram below.

Wiring Diagram Coach LED Lighting (typical)

27

+Plus

-Neg

1k 1k

185



Coach General Notes continued

Light Reflectors

Coaches 41361 and 41362 require the larger light reflector/diffuser Total = 3

Coaches 41351 and 41352 require the smaller light reflector/diffuser Total = 4

The reflectors are made from 80 GSM plain printing paper. I marked where the ribs that support the

window inserts from the curved part of the roof are and using scissors cut in from the edge 4~5mm.

Once all cuts have been made the reflectors can be inserted into the roof section of the coach without the

need for any glue. The window inserts support the paper and are a nice snug fit.

190

180

36

36



41361 and 41362 Long Coaches

I used some left over LED lighting supports from the 73400 and 73401 lighting kits. The supports and

home made lighting strip are held in place with hot melt glue.

41361 above

41362 above

What is the New Method?

The photos above tell the story. You will notice I have the LED’s pointing up away from the coach

interior. The LED light is reflected and diffused giving a very even light with less intensity through out

the coach.

When I tried the LED’s pointing down there where hot spots of light directly below each LED.



41351 and 41352 Shorter Coaches

Notice the LED lighting strip over hangs the interior detail by approx. 5mm at each end but the LED’s are

still positioned over the seating area at each end of the coach.

41351 above

41352 above



A Different Viewing Angle of all the Coaches

41371

41351

41361

41362

41352



Bonus Time

TrainAnimator files 41371.yra and 37060.yra are supplied in 37060.zip file

Other examples of coach lighting can be found under my Tips section.

As always enjoy your model trains.

http://members.ozemail.com.au/~rossstew/rms/files/37060.zip

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