Wire Color Code Abbreviations; Fuel System Wiring Diagram - Mercury 15 EFI FourStroke Service Manual

2. Start the engine. The fuel pressure should be within specification.
Fuel Pressure Specification
All operating conditions
Fuel Pressure Gauge Kit
Dual Fuel/Air Pressure Gauge Kit

Wire Color Code Abbreviations

BLK
BRN
GRN
PNK
RED
WHT
LT

Fuel System Wiring Diagram

18 1
18 1
19 2
20 3
21 4
22 5
23 6
24 7
25 8
a
26 9
27 10
28 11
29 12
30 13
31 14
32 15
33 16
34 17
34 17
15/20 EFI fuel system wiring diagram
a - Engine control module
b - Fuel injector #1
c - Fuel injector #2
d - Idle air control valve
e - High‑pressure fuel pump
90-8M0125265 eng NOVEMBER 2017
Wire Color Abbreviations
Black
Brown
Green
Pink
Red
White
Light
4 BLU
15 BLK/GRN
16 BLK/YEL
17 BLK/WHT
18 LT GRN/RED
19 LT GRN/BLK
20 GRN/RED
Troubleshooting and Diagnostics
62834
256 ± 25 kPa (37.1 ± 3.6 psi)
91‑881833A03
91‑881834A 1
BLU
GRA
ORN
PPL
TAN
YEL
DK
J1
© 2018 Mercury Marine
Blue
Gray
Orange
Purple
Tan
Yellow
Dark
LT GRN/RED 1
2
BLU 2
1
LT GRN/BLK 1
2
BLU 2
1
1
GRN/RED 1
BLU 2
2
BLK/WHT 1
BLK/YEL 2
BLK/GRN 3
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b
c
d
e
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