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• To update the GRAFIX Instrument Cluster software, see the MAIN-SYSTEM-UPDATE section
below for details on downloading and installing Instrument Cluster update files (themes,
operational software, custom startup images, etc.)
STATUS LED
• This LED is located at the corner of the Control Box, near the DISPLAY CABLE connections.
The LED is used for diagnostics and for a quick visual check if power is present.
• A steady green flash indicates the system is powered and operating normally.
• An alternating red and yellow flash indicates the system is in setup mode.
• A short red flash once every three seconds indicates the 12 VDC CONSTANT terminal is
powered and the system is in stand-by mode.
• A solid green indicates there is no Instrument Cluster detected.
• Not flashing or lighting indicates loss of power or ground.
BT LED
• This LED is located at the corner of the Control Box, near the DIM ADJ connections. The LED
is used for checking the Bluetooth module status.
• A single blue flash indicates the module is in standby waiting to connect to a device.
• Two blue flashes indicate the module is currently connected to a device.
• No light indicates the Bluetooth module is powered down. (see MAIN-SETUP-BLUETOOTH)
DISPLAY CABLE connections (2)
• There are two (2) DISPLAY CABLE connections found on the Control Box module. To ease
installation and cable routing, either connection can be used to connect the 8 pin cable from
the Instrument Cluster. If an optional clock module is included in the GRAFIX installation, it
too can connect to either of these connections.
GROUND
• This is the main ground for the GRAFIX system. A wire should be run from this terminal to the
vehicle's main chassis ground. Use 18 AWG or larger wire to ensure sufficient grounding.
Proper vehicle grounding is extremely important for any gauge (or electronics) to operate
correctly. The engine block should have heavy ground cables to the battery, frame, firewall,
and body. Failure to properly ground the engine block or the Control Box can cause
incorrect or erratic operation.
12 VDC CONSTANT
• Connect the 12 VDC CONSTANT terminal to a fused +12V power source that is 'hot' all of the
time. This is typically a connection from the fuse panel, or a fused wire directly to the battery.
This terminal should have power all of the time and should be a fused 5 - 20 amp circuit. The
GRAFIX system draws less than 5 amps, so sharing an existing constant power circuit will
generally be fine. Use 18 AWG wire or larger to ensure the GRAFIX system receives sufficient
power. This constant +12V terminal keeps the clock memory powered when the key is off. If
the GPS satellite signal is used for speed detection or calibration, this terminal pin keeps the
satellite location active for up to 2 weeks after the key is turned off. This allows for faster GPS
speed detection when the system is powered back on and the vehicle requires the
speedometer reading.
IGNITION PWR
• Connect the IGNITION PWR terminal to accessory +12V power from the fuse panel or vehicle
wiring harness. This terminal should have power when the key is on or in the 'accessory'
position. In addition to turning on the Instrument Cluster, this is also where the voltmeter
gauge senses the vehicle electrical system voltage. The accessory +12V supply source should
be a fused 5 - 20 amp circuit. This terminal draws less than 1 amp, so sharing an existing
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MAN# 650814
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