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INSTALLATION (CONTINUED)
3. Test for shorts and interference.
A) Reconnect the power supply. If the power LED lights and the IR test LED stays off,
unplug the connector from the power socket and proceed to Step 4. The following
LED conditions show a fault:
• If power LED is off there is a short between +12V and GND
• If IR test LED is on or flickers blue there is a short between DATA and GND or inter
-
ference is present
Before you proceed to Step 4 consult the Troubleshooting Section beginning on page 14.
4. Plug the flashers into the flasher outputs. If you need to extend the wire, use a
2-conductor 16 gauge or larger (See “Tech Tip” on page 6)
Route the connecting wire to the IR Main System Unit. Connect the 3.5mm plug into the jack labeled
“Flasher Output” on the MSU250 (Figure 7).
TECH TIP
Make all final connections to the MSU before
connecting the power supply. This will avoid
potential damage to components.
BE SURE TO OBSERVE PROPER POLARITY WHEN
EXTENDING THE FLASHER WIRE. The wire lead marked
with a gray stripe is positive (+); the unmarked lead is
negative (-).
Figure 7
10
(CONTINUED ON NEXT PAGE)