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Old 01-04-2009, 12:37 PM   #1
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1967 20' Globetrotter
Houston , Texas
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Turn Signal Problem

I have a problem with the left turn signal on my globetrotter. The rear lights both work when the TV's headlights are on and the right light blinks when the turn signal is on; however, the left light doesn't function as a turn signal. Does anyone have a suggestion on the cause and a possible remedy?
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Old 01-04-2009, 12:43 PM   #2
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1977 27' Overlander
1973 27' Overlander
1963 19' Globetrotter
Naples , Florida
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Bulb,Taillight side can work but the brake light side may be blown.Do your brake lights work on trailer and tv[tow vehicle]?Turn signal on tv work? My chevy tv,has separate fuse for trailer turn signals.
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Old 01-04-2009, 01:11 PM   #3
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1977 31' Sovereign
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1989 34' Excella
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Take out the left bulb and use a voltmeter to see if the 12 volts are blinking on and off like they should. If not, disconnect the trailer connector and check for voltage at the plug on the tow vehicle. It looks like you have a good ground on the light, otherwise the running lights would not be working.
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Old 01-04-2009, 04:58 PM   #4
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1972 25' Tradewind
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Happy New Year.
The taillights on my GT were continually causing problems until I finally gave in and replaced them.
The sockets and back plates are steel, the contacts for the bulbs are mounted on a piece of fiberboard pushed upward by a spring. The whole thing grounds to the body by the 4 small pop rivets. The usual problems were weak contacts and bad grounds.
Assuming you have voltage to the turn signal side of the bulb, the socket and contacts need to be clean and free of rust and corrosion. If not the turn signal circuit will use the running light circuit as the ground. This looks like a dim or out of sync flash when the running lights are off. Really bad and it won't work at all. Running lights can also ground through the brake filiments at times.
As the backing plates rusted it became harder and harder to keep a good ground through to the body. Drilling out and re-riveting would only work for a while.
If the sockets are good you might want to consider taking off the whole assembly for cleaning. Make sure the body is clean and put a new seal in the groove on the backing before riveting it back on.

Good luck, hope this helps,
Tom.
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Old 01-04-2009, 05:20 PM   #5
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1969 31' Sovereign
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I think Tom has the answer as a short term fix you can run solder a new ground wire to the bulb socket.

To test if ground is the problem you can run a jumper wire and touch it to the side of the bulb while it is in the socket.

Garry
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