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Basic Dual Filament Bulb Question

PostPosted: Fri Jun 17, 2005 4:19 pm
by fornesto
Is the brighter of the dual filaments supposed to be for the turn and brake lights and the dimmer for the taillights?

My turn and brake lights are very dim and my taillights are very bright. When the taillights are on with the headlights, you can hardly notice the blinking of the turn signal = ticket in CA. If I switch the two wire leads, will this reverse the problem?

The lights are the '39 Ford style.

PostPosted: Fri Jun 17, 2005 5:35 pm
by jgalt
My understanding is that the brake light should be the brightest. This is the one that needs to be the most visible for safety reasons.

PostPosted: Fri Jun 17, 2005 5:39 pm
by Chuck Craven
:yes:
Chuck

PostPosted: Fri Jun 17, 2005 6:10 pm
by asianflava
I think that when you hit the brakes, both filaments light. During tail light only one is lit.

PostPosted: Fri Jun 17, 2005 6:34 pm
by Chuck Craven
No the tail light is the dimer filiment and the stop/signal is the brighter filiment. Check this out http://www.etrailer.com/faq/wiring.asp
:thumbsup:
Chuck

PostPosted: Fri Jun 17, 2005 6:42 pm
by Ken A Hood
You might also try a "Heavy Duty" flasher. I know when we had a popup trailer, my dad had to get 1 since the lights were dim, and very slow to blink.

PostPosted: Sat Jun 18, 2005 11:05 pm
by doug hodder
Something else to consider. I bought aftermarket 40-54 GM taillights for my tear. The inside of the housing was painted black, no reflectivity. I sprayed them gloss white and that made a big difference. Yes, switch the wires, and no, both filaments typically do not illuminate when the brakes are applied, This is only the case if the lights are on and you apply the brakes. Doug Hodder

PostPosted: Sun Jun 19, 2005 5:44 pm
by Woody
I would check for a bad ground, Sometimes when a ground is bad the lights are dimmer

PostPosted: Mon Jun 20, 2005 12:12 pm
by fornesto
switched the wires and we're A-OK! I might try the heavy duty flasher just to be safe.

PostPosted: Mon Jun 20, 2005 10:04 pm
by ScottH61
fornesto wrote:switched the wires and we're A-OK! I might try the heavy duty flasher just to be safe.


Get yourself an electronic flasher... it regulates the flash depending on the load. That way when your trailer is disconnected, the turn signal won't look like a stobe light. :-)