LITE-CHECK INSPECTOR 930
18
7-Way Cable Test
The 7-way cable test automatically tests the 7-Way 7-pin vehicle cable.
Place tester in tractor mode. (Push TRACTOR OUTPUT TEST button on the
tester panel.)
1. Plug in the cable in the front 7-way socket and the 7-way socket on the right side
of the tester.
2. The tester will automatically read the pins and display either “PASS” or “FAIL” for
each pin in the socket.
3. If there is a “FAIL” message on the digital display, the following will be indicated:
a. A blank second line in the pin sequence indicates an OPEN circuit.
b. “MIS-WIRE” indicates a reversed pin.
c. The same pin number on the second line indicates a “SHORT”.
Trailer Test Procedures
Before beginning testing, connect a 7-way cable and two 1/4” glad hands airlines from
the tester to the trailer. (Be careful to connect “service” to service and “emergency” to
emergency.)
1. Ensure voltage from power source is above 11.0 VDC. (Anything lower may cause
faulty readings.)
2. Use either the tester panel buttons or the remote control buttons.
3. The tester’s panel circuit indicator lights will illuminate when the tester is
operating.
4. The digital display will show the electrical status.
5. The digital display will show the air application pressure.
TRACTOR
OUTPUT
TEST
CABLE TEST
Display Details
The tester message “LOW BATTERY VOLTAGE”
indicates that the 12-volt battery powering the tester
needs to be recharged. The tester will display the
voltage
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