Section 07 ELECTRICAL SYSTEM
Sub-Section 05 (INSTRUMENTS AND ACCESSORIES)
07-05-2
Tachometer
GTX Model
The PURPLE wire is the 12 VDC power source of
the tachometer.
The BLACK wire is the ground.
The GRAY wire is the pulse signal from the multi-
purpose electronic module (MPEM).
Speed Sensor
GSX, GTI and GTX Models
The speedometer gives a reading through a
speed sensor. Speed sensor is installed on riding
plate. It works with the water flow which turns a
magnetic paddle wheel that triggers an electronic
pick-up that in turn sends a speed signal to the
speedometer.
The paddle wheel is protected by the pick-up
housing.
1. Pick-up housing
2. Paddle wheel
To check if the speed sensor is operational, dis-
connect the speed sensor connector housing
from inside bilge.
Using an appropriate terminal remover (Snap-on
TT600-4), remove the PURPLE/YELLOW and
BLACK/ORANGE wires from the tab housing of
the speed sensor.
Reconnect the PURPLE/YELLOW and
BLACK/ORANGE wires in the receptacle housing.
Connect the positive probe of a voltmeter to
speed sensor PURPLE/YELLOW wire and the
negative probe to speed sensor BLACK/ORANGE
wire.
Depress the start/stop button to activate the tim-
er.
Spin the paddle wheel. There should be a voltage
fluctuation.
Speedometer
GSX, GTI and GTX Models
The PURPLE wire is the 12 VDC power source of
the speedometer.
The BLACK wire is the ground.
The PURPLE/YELLOW wire is the pulse signal
from the speed sensor.
2
1
3
4
5
6
7
8
x 1000
0
RPM
Bombardier
R
F07H04A
2
1
F01H3VA
20
10
30
40
50
60
70
0
MPH
R
F07H05A
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