Suggested Installation Connection Points
April 6, 2010
J1708+ = Green, J1708- =
Orange.
The Battery connection
points are open power
and ground positions B1
(1-3) in upper right corner
of fuse panel in top center
of dash. One slot is BATT +
and the other is ground.
Use a spade connector
and insert it into the BATT
+ slot. On VN 670 populate
F14 with 10 amp fuse for
Battery and for the VN780
populate F13 with 10 amp
fuse for Battery. Make
sure your wires are tie-
wraped securely so the
spade connectors do not
move.
The ignition
connection point is
the spare B1 (4).
The primary fuse
position for all VN
models is F59.
Fuse Panel bracket
in center, top dash
area.
Can connect to a J1708 pigtail
near the main fuse panel area
in top/center of dash.
Connector is positioned
between the fuse panel and the
windshield. Wire# 400 is
J1708+ and wire# 401 is J1708.
Another option is to connect at
the diagnostic plug.
6-pin diag plug, J1708+ = pin A,
J1708- = pin B.
9-pin diag plug, J1708+ = pin F,
J1708- = pin G.
Connection to the J1939
on Volvo trucks w/Volvo
engines is not supported.
Do not connect to Volvo
engines.
For non-Volvo engines,
primary connection point is
before the 2 pin Deutsch
connector located at top of
dash main fuse panel area.
Connector is positioned
between the fuse panel
and the windshield. The
wire colors are yellow and
green. Terminating resistor
must be left in the circuit.
Another option is to
connect behind the 9-pin
diag plug, J1939+ = pin C,
J1939- = pin D.
Connect to wire labeled
"AUX" located at
firewall behind the
clutch on driver side, or
floorboard area behind
driver seat.
Alternative TTRACS
connection point on
newer Volvos is at main
fuse panel – 40 amp
fuse, on the steering
wheel side of fuse
panel. Cut the cable tie
above the fuse and lift
the fuse up above the
fuse panel to BUTT
splice below the fuse.
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