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Analog Chronometer Cable has two conductors eight feet long for connections to a maximum
of two analog chronometers.
b. (Analog Only) The Analog Speed Sensor Cable and Analog Chronometer Cable both must
be connected to the AIM2™ module. The Analog Speed Sensor Cable uses eight foot
conductors to connect to switched and unswitched power, and a two foot conductor to
connect to vehicle/battery ground. The Analog Chronometer Cable has two conductors eight
feet long for connections to a maximum of two analog chronometers.
CAUTION
Some vehicles use more than one battery to increase system voltage, or
available starting current.
How the batteries are connected together will determine if the increase is in voltage or current. If the
same vehicle chassis ground to which the batteries are grounded is not used when wiring the ground
to the AIM2™ module, AIM2™ power will not match vehicle power and damage to the AIM2™
module and/or vehicle electrical system may occur. Always ground the AIM2™ module to the
same ground used by the batteries for the vehicle chassis ground.
NOTE
Installations in Canada require the use of two 12 gauge wires to ground the AIM2™ module to a
chassis ground.
2. Using 12 AWG THHN wire, make a ground connection between the AIM2™ ground connector
and the vehicle/equipment chassis.
CAUTION
To avoid possible damage to the AIM2™ module, do not connect the Analog Speed Sensor Cable to
the AIM2™ module until all other cable connections are complete.
NOTE
Some applications may not function correctly unless the WHITE negative odometer wire is connected
directly to the negative side of the speed sensor.
3. (Analog Only) Connect the Analog Speed Sensor Cable BLACK ground wire and WHITE
negative odometer wire to a chassis/battery ground.
CAUTION
If multiple batteries are in use in the vehicle being installed, take a voltage reading of the switched
and unswitched inputs of another existing vehicle accessory. Select power sources for AIM2™ which
have the same voltage inputs. Doing so may prevent damage to the AIM2™ module and/or the
vehicle electrical system.
4. (Analog Only) Connect the Analog Speed Sensor RED wire to an unswitched (constant with
ignition OFF) +12 to +42 VDC power supply.
5. (Analog Only) Connect the Analog Speed Sensor BROWN wire to a switched (constant with
ignition ON only) +4 to +42 VDC power source. This connection will “wakeup” the AIM2™ module
when the ignition switch is turned ON. This power source must drop to 2 VDC or less when
switched off for the module to go to sleep.
NOTE
• Step 6 calls out connections to obtain engine run time and power takeoff (PTO) engage time.
These connections may be used to obtain any combination of either operation such as engine run
time from both the parent truck engine and a reefer engine.
• Either channel (1=orange or 2=blue) may be used for any analog chronometer connection.
Ensure the application is tracked so the software may be configured to match. In the vehicle
record in the software, the channel number and application must be selected for each configured
chronometer. Be sure to check Analog in the vehicle record when using the Analog Chronometer
Cable.
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