Helm Architecture Diagrams: Single Helm Triple‑Engine TESH DTS ‑ Dual Console ERC 19 18 3 17 16 15 X 4 14 12 13 11 2 11 11 X 4 7 10 9 4 5 X H 6 1 8 71166 Page 6A-16 © 2021 Mercury Marine 90-8M0161677 eng MARCH 2021