Vaisala TCI101 NiteStar - Manual (Page 4)

the DMI wiring harness into the power socket on the DMI. Route
the wire lug end of the wiring harness (telephone cable) from the
DMI location to the terminal block. Wire the cable to the termi-
nal block as shown in the drawing.
– WARNING –
Safety goggles and protective clothing should be worn at all
times when working on or near the vehicle battery or the associ-
ated battery cables.
WIRING THE NITESTAR - CAUTION!
Failure to connect the power and ground wires directly to the
battery may cause engine noise to interfere with the operation of
the DMI. Be sure to connect power and ground wires directly to
the battery terminals.
Connect the Red (power) and Black (ground) wires to the ter-
minal block as shown.
Connect the other end of the Black (ground) wire to the nega-
tive terminal of the battery. Remove the fuse and connect the red
(power) wire to the positive terminal of the battery.
NOTE: (DO NOT INSERT FUSE UNTIL INSTALLATION IS COM-
PLETE AND UNIT IS READY TO BE POWERED UP.)
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TELEPHONE-TYPE FLAT CABLE
(BLACK, 8 FT.)
TO THE NITESTAR DMI
POWER CABLE
WIRE DIRECTLY TO
12 VOLT VEHICLE
BATTERY (CONNECT LAST)
250 volt
1 amp fuse
GREEN BLA
CK
WHITE
RED
BLA
CK
YELLO
W
RED
+ RED
- BLACK
ELECTRONIC
INTERFACE SENSOR
or the
TRANSMISSION
INTERFACE SENSOR
SENSOR
MOUNT TERMINAL
BLOCK TO FENDER
WELL USING #6-32
METAL TAP SCREWS
CABLE FRONT VIEW
NITESTAR FUNCTIONS
PIN 1
PIN 2
PIN 3
PIN 4 = BLACK
= RED
= GREEN
= YELLOW = GROUND
= PDI (5V SIGNAL)
= SIGNAL IN
= +12v DC
1 2 3 4
WIRING A TRANSMISSION OR ELECTRONIC
INTERFACE SENSOR or… SEE THE PROXIMITY
SENSOR WIRING DIAGRAM (Inside Back Cover)
NOTE: Depending on the terminal block location selected,
either the wiring harness from the DMI or the power cable from
the battery will need to be routed through the vehicle firewall.
Usually this can be through an existing rubber grommet. This
could be where the speedometer cable or other wiring passes
from the passenger compartment to the engine compartment. If
no existing grommet or hole can be located, you may have to
carefully (do not damage existing wiring or items mounted on the
firewall) drill a 3/8 inch hole through the firewall. If a new hole
is made you should seal the hole when finished with an electrical
or waterproof putty or sealant.
NOTE: Actual sensor installation instructions may differ from
those shown. Follow the installation instructions included in your
sensor kit.
Use the cable ties supplied to tie off the wiring harness and
power cable neatly so they do not interfere with vehicle operator
or operation. When all installation is complete, replace the fuse
and power up the unit.
KEY DESCRIPTIONS
Turns the unit ON & OFF.
Depress the button for approximately 2 seconds to turn
the unit OFF.
STOPS & STARTS the COUNT. When NOT counting,
COUNT/HOLD flashes on the status display.
STOPS or freezes the display, DMI is still counting inter-
nally but the display value is stopped so you may write it
down. The words DISPLAY/HOLD will flash in the status
window when the instrument is in hold.
Depress the DISPLAY/HOLD key to resume.
Sets the distance value to ZERO.
(Same as PRINT key) : Also, marks an INTERVAL on the
display. When the DMI is counting, depressing the key will
set the current distance in the display window. The next
time the key is pressed the display will show the elapsed
distance from the last mark. DIAGRAM ON PAGE 6.
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