Rev: 10.05.18
Page 8
CCD-0001632
Yellow
4-way connector
(vehicle-side)
Ground wire: green ground wire
must be attached to vehicle
chassis; a good ground is needed
for proper step operation
Voltmeter should read
12 volts DC / ignition 'on'
0 volts DC / ignition 'off'
Fig. 7
Fig. 8
Red
Brow
n
4-way connector
(vehicle-side)
Ground wire: green ground wire
must be attached to vehicle
chassis; a good ground is needed
for proper step operation
Voltmeter should
read 0 volts DC
If the readings are incorrect, there is a problem with the switch. Check the door switch and the condition of the
circuit's wiring and terminal connections.
4. To check the ignition override system, connect a voltmeter between the yellow wire from the 4-way
connector (vehicle half) and the ground terminal on the end of the control unit green ground wire
(Fig. 7). The voltage reading should be approximately 12 volts DC when ignition is on and 0 volts when
ignition is off.
If the reading is zero when the ignition is on, check all terminal connections, wiring, and the vehicle ignition fuse.
NOTE: The step wiring circuit must be independent. No other device (i.e. alarm systems, step well lights,
etc.) can be connected to the step wiring circuit. Any device connected to the steps wiring can
cause the step to malfunction and will void the warranty.
5. For steps equipped with door switch only operation: Connect the white jumper wire from the vehicle
half of the 4-way connector and the ground terminal at the end of the control unit’s green ground wire
(Fig. 8).
NOTE: Be sure to use the terminal with only the white wire. The reading should be 0 volts DC. If the voltage
reading is more, the white wire is connected to 12 volts DC and should be cut.
If you have additional questions or need more assistance, contact Lippert Components, Inc. Customer
Service at 1-574-537-8900.
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