Section 13 ELECTRICAL CONNECTORS AND WIRING DIAGRAMS
Subsection 02 (WIRING DIAGRAMS)
WIRING DIAGRAMS
WIRE COLOR CODES
First color of a wire is the main color. Second color
is the tracer.
Example: YELLOW/BLACK (YL-BK) is a YELLOW
wire with a BLACK tracer.
YL-BK
smr2005-071-001_aen
General Wire Color Use
COLOR USE
RED Battery power (12 Vdc directly
connected to battery)
RED + tracer Fused 12 Vdc (from battery)
PURPLE
Continuous power (when there
is a programmed key on DESS
post)
PURPLE + tracer
Switched power (when there
is a programmed key on DESS
post)
BLACK Ground
BLACK + tracer
Switched ground (by DESS
post, MPEM, ECM)
WIRE DIGIT CODES
On the MPEM, circuits are identified by a number
followed by another number and if necessary by a
letter.
2 - 18 (g)
smr2005-071-002_a
First number indicates in which connector the wire
is plugged in.
Second number indicates the position of the wire
in the connector.
Theletterattheendofthenumber(ifapplicable)
indicates a common circuit in the MPEM printed
circuit with another wire bearing the same letter.
The first number indicates that the wire is posi-
tioned in the connector no. 2 of the MPEM.
The second number indicates that the wire is po-
sitioned in cavity no. 18 of the connector.
The letter (g) indicates a common circuit with an-
other wire(s) bearing the same letter (g) in the cir-
cuit.
GTIRFI,GTIRFILEand3DSeries
On the ECM, circuits are identified by a letter fol-
lowed by a number.
B - 17
smr2005-071-003_a
The letter indicates in which connector the wire is
plugged in.
The number indicates the position of the wire in
the connector.
The connector “A” is connected to the engine
wiring harness.
The connector “B” is connected to the watercraft
wiring harness.
smr2005-071 375
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