I am always amazed by the electrical stuff; it's magic, you know. UP Phill has kindly posted this step by step instruction of a Kato GS4 Tsunami installation. I be;lieve you need to be alltile knowledgeable about engine disassembly, but the tutorial is great! Tak a look for yourself. Here is one of the photos in the thread: Additional search terms: DCC solder decoder sound kit bash GS4 GS-4 Kato Concor tender steam SP
