This installation replaces the original factory fitted QSi decoder.
Items used:
ESU 58420 LokSound 5 8 pin decoder
ESU 54671 Power pack mini / stay alive unit
DCCSound decoder board for Eureka R class
DCCSound Premium speakers (suits Eureka R class and C38 models)
The tender jacket was removed from the tender floor via two screws on the underside of the tender. The QSi decoder and factory speakers were removed from the model.
The 54671 power pack was wired to the 58420 decoder, along with the two speakers. The decoder was mounted to the decoder board and the latter fixed to the chassis via 4 screws.
Decoder wiring:
Black: LHS track power (engine and tender)
Red: RHS track power (engine and tender)
Grey: Motor tab 1
Orange: Motor tab 2
White: Front headlight (switchable function)
Blue: Common positive for headlight
Brown: Speaker wires
Eureka 6 pin engine plug wiring:
Left to right (viewed from rear to front):
Pin 1: Motor Orange
Pin 2: Motor Grey
Pin 3: +ve headlight
Pin 4: -ve headlight (no additional resistor required)
Pin 5: Track Left
Pin 6: Track Right
The decoder was then updated with the latest R class project, and following successful testing, the tender was reassembled.
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