Help needed on Marklin 34551 decoder

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sikardon		#1 Posted : 29 January 2022 02:56:53(UTC) Retweet
Joined: 05/06/2012(UTC) Posts: 171		Hello Everyone, I have this beautiful loco Märklin 34551, I change the decoder few years ago with mfx decoder from the old 6096x series. Before any decoder changes, I usually take picture of the old decoder wiring connection, but unfortunately, the picture was deleted accidentally. Now I want to use this old decoder again, but I don't know the solder pads connection since the picture is gone. Could anyone please help me take picture of your 34551 decoder wiring connection? Or perhaps help me on identifying which solder pads goes to motor, to pickup shoe, and etc? Many thanks for the help. Best regards Sony Edited by user 06 March 2022 05:56:41(UTC) \| Reason: Not specified


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Donb		#2 Posted : 10 February 2022 06:11:17(UTC) Retweet
Joined: 03/04/2013(UTC) Posts: 289 Location: Fraser Valley		Hi Sony, Here is my old Delta decoder from a Br 81, looks newer decoder version than yours. These wiring colors and position might be the same, ie the top wire looks to be ground ( brown) on yours too,.. Brown - ground Red - slider Black - motor brushplate Dark blue and light blue - coil Yellow - rear light Grey - front light Perhaps someone can confirm these. Hope this helps,
		Best Regards, Don ___________________________________________________________________________________ CS3, ( Commander is now retired) , C track and Z scale, mostly DB/DR and SBB, SJ


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Dave Banks		#3 Posted : 10 February 2022 23:02:16(UTC) Retweet
Joined: 08/03/2006(UTC) Posts: 1,026 Location: Gold Coast, Australia.		Have a look at this: Marklin 205956 Faulhaber Decoder. This decoder controls brushless DC motors (Faulhaber system). The delta address range is available for addressing. This decoder was installed by Märklin in the 34550 and 37550 locomotives. An additional switchable output (weak red cable) controls a smoke generator or similar. Tender light is switched directly via the two sockets.
		D.A.Banks


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