Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1998-10-27
2000-06-27
Pope, Daryl
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340431, 340642, 324504, B60Q 1100
Patent
active
060811897
ABSTRACT:
An apparatus is provided for electrically testing the standard light circuit of a trailer. The apparatus includes a battery and a flasher component electrically connected to a positive terminal of the battery. A switch is electrically connected to the flasher component. There is an indicator light associated with a respective trailer light. A positive conductor is interconnected between the switch and the indicator light. A ground conductor is interconnected between a negative terminal of the battery and the indicator light. A harness is releasably attached to the standard connector component of the trailer's light circuit. The harness electrically connects the positive conductor to the positive wire of the light circuit and likewise electrically connects the negative terminal of the battery to the ground wire of the trailer's light circuit. The switch is selectively opened to de-energize the positive conductor and closed to energize the positive conductor. Attaching the harness to the lighting circuit connector component and closing the switch causes the indicator light to flash intermittently when the trailer light, positive wire and ground wire are operative and glow continuously when at least one of the trailer light, positive wire and ground wire is inoperative.
REFERENCES:
patent: 4866390 (1989-09-01), Butchko
patent: 5602482 (1997-02-01), Gutierrez
patent: 5629680 (1997-05-01), Makhija
patent: 5635843 (1997-06-01), Borland
Noonan William E.
Pope Daryl
LandOfFree
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