Electrical Systems
Section 6C - Conventional Midsection (CMS) Power Trim
Table of Contents
Electrical System Troubleshooting.................................... 6C-2
General Checks..........................................................6C-2
Condition/Problem...................................................... 6C-2
Problem/Solution........................................................ 6C-2
Power Trim Electrical Circuit...................................... 6C-2
Troubleshooting the Down Circuit.............................. 6C-7
Troubleshooting the Up Circuit................................... 6C-8
Troubleshooting the Down and Up Circuits (All
Circuits Inoperative)................................................ 6C-9
Trim Circuit........................................................................ 6C-9
Trim Up Circuit..........................................................6C-10
Trim Down Circuit..................................................... 6C-11
Power Trim Relay Test.................................................... 6C-11
Trim Position Sensor Troubleshooting.............................6C-12
Trim Position Sensor................................................ 6C-12
Troubleshooting the Trim Position Circuit.................6C-12
Trim Position Sensor Location..................................6C-14
Testing the Trim Position Sensor Circuit with DMT
2004A....................................................................6C-14
Trim Switches and Sensor ‑ DTS.................................... 6C-15
Trim Switches and Sensor ‑ Mechanical......................... 6C-16
Conventional Midsection (CMS) Power Trim
90-8M0146617 eng JULY 2018 © 2018 Mercury Marine Page 6C-1
6
C
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