Section07ELECTRICALSYSTEM
Subsection 04 (INSTRUMENTS AND ACCESSORIES)
SPEEDOMETER
GTI LE RFI Models
F07H0LA
TYPICAL
FUNCTION WIRE
12 Vdc PURPLE
Ground BLACK
Pulse signal
PURPLE/YELLOW
SPEED SENSOR
GTI LE RFI Models
The speedometer gives a reading through a speed
sensor. 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.
2
1
F01H3VA
1. Pick-up housing
2. Paddle wheel
Spray water on paddle wheel using a garden hose.
Disconnect the speed sensor connector housing
from inside bilge.
Using an appropriate terminal remover (Snap-on
TT600-4), remove wires from position A and C in
tab housing of speed sensor.
Reconnect wires in receptacle housing.
Connect multimeter to speed sensor wires and
setittoVdc.
smr2005-060-010_a
1. Wires from sensor
2. Wires to gauge
SENSOR
CONNECTOR
TEST
CONDITION
PIN
READING
(Vdc)
Slowly rotate
paddle wheel
A
C
Fluctuation
within 5.5 - 8.5
ELECTRIC BILGE PUMP
3D Series
When safety lanyard cap is installed on its post,
the bilge pump is automatically turned on. It will
remain on until all water is evacuated (if so), then
it will shut down automatically. Then, the pump
will start every 10 seconds to perform this cycle.
Voltage Test
Remove rear access panel.
Disconnect connector from bilge pump.
210 smr2005-060
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