Trim Up Circuit - Mercury V6 175 Diagnostic Manual

Advanced Midsection (AMS) Power Trim

Trim Up Circuit

When contact 86 of the trim up relay is energized from the trim switch, the trim up relay is energized. Contacts 30 and 87 of the
trim up relay close, completing the circuit to 12 volts (+) to the blue trim motor lead. The trim down relay remains de‑energized.
The trim motor tilts the engine up.
RELAY KEY
a
87
87a
86 85
30
Relay
Relay Components
as Viewed Separated
Trim up circuit
a - Trim relay contacts
b - Trim up relay
c - 12 volts (+)
d - To trim motor (+)
e - Trim down relay
f - To trim motor (–)
g - From PCM
Page 6D-8
(+)
87
85 87a 86
b
30
Connector
g (–)
(+)
(–)
© 2018 Mercury Marine
RED
87a
85 87
86 30
LT BLU/WHT
RED
85 87a 87
86 30
GRN/WHT
BLK
(+) c
RED
d
(+)
(+)
RED
e
f
(–)
67464
90-8M0146617 eng JULY 2018