VEVOR EJ3550B - Troubleshooting Guide; Motor and Light Issues

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TROUBLESHOOTING
Failure
Possible Cause
Corrective Action
Motor will not
operate.
No or low voltage.
Check battery and electrical
connections. Must have minimum of
10
VDC. If the battery is low, plug the
trailer cable into the tow vehicle, and
start the tow vehicle to provide power
to the jack.
Poor grounding.
Clean area between the jack
mounting plate and coupler, and
ensure paint
has been removed by the star
washers. Direct metal-to-metal
contact
must exist between mounting
components to ensure good electrical
Loose wires on ON/OFF
switch.
Secure wire connections.
ON/OFF switch is faulty.
Replace switch.
Faulty motor.
Replace motor.
Light doesn’t
work.
Loose wires on the
ON/OFF switch.
Secure wire connection.
Bad light bulb.
Replace bulb.