Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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#45074 05/06/04 09:47 PM
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Shade Tree Mechanic
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I put after market turn signals on my 55.1 Chevy 1/2 ton. All lights work correctly with the only problem being rapid flashing. Almost too rapid to be effective. Any ideas? Thanks Bob

#45075 05/06/04 10:21 PM
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Check the flasher unit and make sure it is a 12-volt unit and not a 6-volt type.

Agrin


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#45076 05/07/04 11:57 AM
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My system is 6 volt. Still advise a 12 volt flasher?
Bob

#45077 05/07/04 02:36 PM
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If you have a First Design (looks like a '54) it has a 6 volt system and will require a 6 volt flasher.If a 2nd design '55 (wrap around windshield) it will be 12 volt and require a 12 volt flasher.Also if its a "specific load" flasher it is designed to flash only two bulbs at a time (either voltage).More bulbs than two will cause it to flash faster.


Gene Schneider
#45078 05/26/04 11:10 AM
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Backyard Mechanic
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There is a heavy duty 6 volt flasher for trailer lights, etc but you may have to find an old mom and pop type parts store that still stocks them.
Herb

#45079 05/27/04 09:13 PM
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ok

#45080 05/27/04 09:15 PM
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Now that I'm shooting blanks, let me add a reply. Thanks for the help guys and Herb, I'll look for a heavy duty flasher.
Bob :)

#45081 06/08/04 03:42 PM
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I also found out that now all flasher flash the same. I had 5 new ones in a box , same part number, and they all flashed differant.


VINTAGEHIFI
#45082 06/08/04 10:18 PM
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Those old flashers operate on a certain amount of resistance in the output circuit, which changes the amperage heating the bimetal strip and as Rex says a handful of them are uasually all different, the less resistance they have the faster they flash, you may put a lower candlepower bulb in the stop and turn sockets, but then they may be too dim, auto parts places like Chevys of the Fortys may have a heavy duty flasher that will slow down the flash rate. I remember when one bulb would burn out the rate would change, and sometimes not flash at all.


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