Page 48 - Installation Manual - GenII DTS

Legacy Controls
Trim Pad Extension and Y‑Harness

This harness is used on triple and quad‑engines to extend the trim connector on the LCM harness. It is also used as a
Y‑harness for integrating dash mounted trim switch pads into older generation ERCs.

72557
Connection Diagram

1 - Zero Effort ERC
2 - 8‑pin trim connector
3 - Trim switch
4 - 8‑pin to 3‑pin trim adapter harness
1 5 - 3‑pin connector
6 - 8‑pin connector
2 7 - Trim pad extension and Y‑harness
8 - To LCM harness
3 9 - Weather cap (not shown)
4

5

6

7

8

9
72599
Triple and Quad‑Engine Trim Switch

Preparation

! WARNING
Performing service or maintenance without first disconnecting the battery can cause product damage, personal injury, or
death due to fire, explosion, electrical shock, or unexpected engine starting. Always disconnect the battery cables from the
battery before maintaining, servicing, installing, or removing engine or drive components.

1. Disconnect both battery cables.
! CAUTION

Avoid injury or product damage. Obstructions, such as braces and wiring, may be unseen when looking at the front of the
dashboard. Before drilling or cutting any holes in the dashboard, check the area behind the dashboard for obstructions. Do
not drill or cut when obstructions are present.
2. Select a location for the trim switch on the dashboard:
• without obstructions behind the dashboard

Page 2E-22 © 2021 Mercury Marine 90-8M0161677 eng MARCH 2021