
Description: Part Number:
Tachometer
99105-80000/80100
Contents
Applications: Installation Time:
NOTE: Weight:
Suzuki Marine Boats 1 HRS
Mounts in standard 3 3/8" hole.
1 lbs
Ref. Part Number Description QTY
1. 99105-80000/80100 Tachometer 1
2. BC0146 Mounting Bracket 1
3. Mounting Hardware 1
0
7
-
-
1
1
3
7
2
A
4
3
20
10
0
30
RPM
x 100
40
50
60
70
1
1
Tools
Required
Important
NOTE
IS0173B ECR5609 8/2005
2
Ref.
Tools Description
1. 3/8" Nut Driver
2. Suzuki Terminal Kit 09900-28701
Please read this manual and follow its instructions
carefully. To emphasize special information, the
symbol and the words WARNING, CAUTION
and NOTE have special meanings. Pay special
attention to the messages highlighted by these signal words:
NOTE: Indicates special information to make
maintenance easier or instructions clear.
3
If so equiped
YELLOW
BLACK
GRAY
Indicates potential hazard that could
result in death or injury.
Indicates potential hazard that could
result in vehicle damage.

Installation
Disconnect battery during installation.
Tighten nuts on backclamp only slightly more than you can tighten with your fingers.
Six inch-pounds of torque is sufficient. Over tightening may result in damage to the
instrument and may void your warranty.
Gasket cement or other adhesive is not required to secure tubing to fittings.
1.
Location: The tachometer should be located at least
18” from a magnetic compass. Some interference (erratic
operation)
transmissions. This will neither damage a Faria tachometer
nor affect accuracy when not transmitting.
may be noticed on the tachometer during radio
Mounting Hardware Kit
A
x 5
2. It is recommended that you use the included color
coded wire extension leads.
3. Using a small screwdriver, SLIGHTLY depress and
turn the selector switch on the back of the tachometer to the
correct
alternator
Depressing the switch too hard
tachometer! Be sure the selector switch has locked into the
detent at the correct position by slightly rotating the switch
back and forth with the screwdriver. If the number of poles
is
Application” chart or call Faria
848-9271 with make, model, HP, and year of the motor.
4.
tachometer with the backclamp supplied.
5.
connector, slide the connector over the three instrument
studs.
connected to the gray, yellow, and black wires of the
engine harness.
position to match the number of poles in the
(see label on the side of the tachometer).
may cause damage to the
not known, consult the “Outboard Tachometer
Cut a 3-3/8” dia hole in the dash and mount the
If this gauge kit has been supplied with a three prong
Be sure the gray, yellow, and black bullets are
®
Marine Instruments at (860)
main
6. Connect the gray extension lead stud connector to the
positive (+) post of the tachometer and
into the gray wire of the main engine harness.
plug the bullet end
7
B
C
Figure
1
If so equiped
YELLOW
K
BLAC
GRAY
positive
circuit and the bullet end to the boat lighting
circuit. No separate ground is required for the
lighting. Reconnect the battery.
“+” side of the instrument lighting
x
x 2
C
A
B
7. Connect the yellow extension lead stud connector to
the signal (SIG) post terminal of the tachometer and plug
the bullet end into the yellow wire of the main engine
harness.
8.
Connect the black extension lead stud connector to
the negative (-) post of the tachometer and plug the bullet
end into the black wire of the main engine harness.
**(WHEN
CONTROL IS USED, THE YELLOW TACH SIGNAL,
SWITCHED
WIRES CAN BE FOUND AT THE CONTROL BOX.)
A STANDARD SIDE MOUNT REMOTE
POWER GRAY AND BLACK GROUND
9. Connect the GREEN/ORANGE extension lead to the
blade terminal adjacent to the twist-out light assembly to the
NOTE:
A.) To change light bulb, twist black socket
assembly one-eighth turn counterclockwise
until it pops out. Bulb pulls straight out of
assembly. It is a GE No. 194 instrument
lamp.
B.) If your Tachometer is equipped with an
hourmeter, the hourmeter will be energized
when the engine is running.

Harness
Diagram
Gray
llow
Ye
Gray
Ye
Black
HN0412 rev A ecr 5609 8/05
llow
Heat shrink tubing
Green/Orang
Green/Orang
Yellow
Black
Blac
kBlack
Gray
Gray
e
eGreen/Orange
Trouble
Shooting
Trouble Inspection Diagnosis Action
Gauge Sticks
A. Backclamp may
be too tight.
1. Slightly loosen nuts
holding backclamp.
Check operation.
1. If gauge works and is
not loose in panel, continue
using gauge.
2. If gauge continues to
stick, replace gauge.
Gauge
Inoperative
A.
Is power applied to
gauge?
1.
Switch the
instrument power
supply switch on and
off. As power is
supplied the pointer
should jump slightly.
1.
Check wires to
check they were
installed on the
correct terminals and
power is actually
supplied to gauge.
2
If pointer jumps
(indicating power
supplied), check for
signal from engine. If
signal exists, replace
tachometer.
Trouble shooting continued next page.

Outboard
Tachometer
Application
Chart
Gauge
is Erratic
A.
1.
1.
Check for insulation
that may have been
pushed into connection.
Fix connection.
Inspect the connection
between the wire and
the ring connector.
B.
1.
1.
Check wires by
connecting one wire
at a time to the
tachometer directly
from the battery or
the signal source on
the engine.
Relocate offensive
appliance. Please
refer to installation
instructions.
Check for excessive
electrical noise caused
by an electrical
appliance set to close
to the gauge. i.e. a
magnetic compass, a
radio transmission.
C.
1.
1.
Check the switch on
the back of the
tachometer. Refer to
chart on the next
page.
If the tachometer
reads to high, then
the switch is
selected too low.
2.
If the tachometer reads
too low, then the switch is
selected too high.
A reading of Hi or
Low may be the
cause of alternator
pole switch not
selected correctly.
Trouble
Shooting
All Suzuki 4-strokes,
DF40 and larger, will
require a Tach/System
Monitor or 2" System
Monitor gauge to
properly indicate any
warning or diagnostic
event.
Make/ Year Model # of Poles.
Tr
ouble
Inspection Diagnosis Action
Suzuki
through 2006
Less than 55 HP - All
60 HP, 65 HP thru 1985
4
50 - 60 HP Cabrea
DF 4 through 30
25 HP & 30 HP (1993 & later)
6
55 HP & 65 HP (1985 & later)
75 HP & up (1985 & later)
75 HP and up (Cabrea)
115 HP and up (1988 & later)
12
DF 40 through DF 250, DFV6
(4 stroke)
(4 stroke)