dmensi Posted March 17, 2004 Share Posted March 17, 2004 I recently tried towing a trailer with my 1999 LX470 and the trailer lights and only the right turn signal light will work. The brake lights and running lights will not function. The lights on the trailer work fine when connected to another vehicle. thanks Quote Link to comment Share on other sites More sharing options...
Badams Posted March 17, 2004 Share Posted March 17, 2004 take a volt meter and check for power on the plugs according to the type of connector that comes with the trailer. Quote Link to comment Share on other sites More sharing options...
AARON123 Posted April 14, 2004 Share Posted April 14, 2004 I WOULD CHECK THE RELAY, SOMETIMES THE STOCK RELAY WILL NOT HANDLE THE LOAD OF OTHER LIGHTS. YOU MAY NEED A RELAY MADE TO HANDLE A LARGER LOAD. Quote Link to comment Share on other sites More sharing options...
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