| 摘要 |
Thus apparatus is used to control flashing lights on a disabled refrigerated trailer. The apparatus is using the battery from the trailer to control the lights & flashers on the trailer. By removing the plug on the trailer and plugging in the safety box thereby causing lights and flashers to warn oncoming traffic of a disabled vehicle: thus allowing the driver to then put out his flares and triangles. At the time of connection the refrigerated trailer should be running Also saving the batteries on the truck so they are not run down so that a mechanic can restart the vehicle. If truck has to be separated from the trailer the lights and flashers will remain working. The unit is also portable for mechanic's on service calls.
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