Paul_C Posted October 23, 2022 Share Posted October 23, 2022 I have just bought a Howes Models Plux22 sound decoder for a class 20 (Bachmann 35-351) diesel. I've removed the body and the blanking plug and have fitted the decoder but I need to know what to do with the two wires coming from the decoder. Do they need to be soldered to any terminals or just tucked out of the way. The instructions that came with the model show a Bachmann decoder with no wires attached. Paul_C Link to post Share on other sites More sharing options...
Bob83a Posted October 23, 2022 Share Posted October 23, 2022 A quick guess would be that they were to allow fitting of a stay-alive capacitor. It would be useful to know the colour of the wires and the make and model of the decoder. You should be ok tapeing over the end of the two wires individually with insulation tape to ensure that they do not contact anything. The model should already have a speaker installed connected to the Circuit board so no wires are required for that. I believe that previous Howes decoder have all been ESU’s so your is probably the same. Link to post Share on other sites More sharing options...
Paul_C Posted October 23, 2022 Author Share Posted October 23, 2022 Hi Bob, Thanks for your reply. It is indeed an ESU SDO20 EE. The two wires are light brown in colour. Paul. Link to post Share on other sites More sharing options...
RMweb Gold Phil Bullock Posted October 23, 2022 RMweb Gold Share Posted October 23, 2022 That sounds like speaker wires…. But if there is already one installed and functional in the model you can blank them off. Link to post Share on other sites More sharing options...
RMweb Gold Gilbert Posted October 23, 2022 RMweb Gold Share Posted October 23, 2022 A phone call to Howes may be your safest option? Chris Link to post Share on other sites More sharing options...
RMweb Gold Phil Bullock Posted October 23, 2022 RMweb Gold Share Posted October 23, 2022 Howes Class 20 chip Brown is standard for speakers on ESU sound chips . The speaker fitted by ESU has been removed , see link above, so wires are redundant unless you want to install an alternative speaker on them. 1 Link to post Share on other sites More sharing options...
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