Electrical Geniuses Help
#1613239
04/28/14 04:35 PM
04/28/14 04:35 PM
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Joined: Jan 2003
Posts: 26,037 Rio Linda, CA
John_Kunkel
OP
Too Many Posts
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OP
Too Many Posts
Joined: Jan 2003
Posts: 26,037
Rio Linda, CA
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My '56 Plymouth has a single turn signal indicator in the dash, it was originally powered by a 3-prong turn signal flasher in which one prong powered the T/S indicator lamp. My current aftermarket fuse panel only accepts the typical 2-prong flasher so I can't use a 3-prong flasher.
I'm thinking the only way to make this work is by way of a couple of diodes to allow two inputs to power the single bulb (grounded at the dash). Am I missing any alternatives?
The INTERNET, the MISinformation superhighway
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Re: Electrical Geniuses Help
[Re: John_Kunkel]
#1613240
04/28/14 05:29 PM
04/28/14 05:29 PM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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Definitely not a genius but I gotta make a stab at it especially after all the tranny tech Q's you've helped me thru. A 2 terminal (std type) flasher. Fire gets fed to the "in" terminal when your raise or lower the stalk then the "out" terminal flashes intermittently. If you T'd into the "out" terminal wire & ran that to the indicator light wouldn't the light be flashing anytime the flasher can is activated which is what you are after. The indicator light would blinking for a R or a L turn
live every 24 hour block of time like it's your last day on earth
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Re: Electrical Geniuses Help
[Re: OzHemi]
#1613243
04/28/14 07:29 PM
04/28/14 07:29 PM
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Joined: Apr 2011
Posts: 1,520 West Palm Beach, Florida
Copper Dart
pro stock
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pro stock
Joined: Apr 2011
Posts: 1,520
West Palm Beach, Florida
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early VW's had the single turn signal indicator in the speedo cluster too. lots of inexpensive parts are avail reman for the 12 and 6 volt systems. I'm sure it wouldn't be too difficult to adapt that part (flasher) to your custom harness. VW's are very simply wired and schematics are avail online. Hope this might help.
Common sense, the least common of all the senses. Mom.
For fear of ridicule, society stifles creativity. Ricky Valdes
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Re: Electrical Geniuses Help
[Re: 68HemiB]
#1613249
04/28/14 09:09 PM
04/28/14 09:09 PM
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Joined: Jan 2003
Posts: 27,421 Balt. Md
383man
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 27,421
Balt. Md
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Quote:
Quote:
Quote:
Definitely not a genius but I gotta make a stab at it especially after all the tranny tech Q's you've helped me thru. A 2 terminal (std type) flasher. Fire gets fed to the "in" terminal when your raise or lower the stalk then the "out" terminal flashes intermittently. If you T'd into the "out" terminal wire & ran that to the indicator light wouldn't the light be flashing anytime the flasher can is activated which is what you are after. The indicator light would blinking for a R or a L turn
Makes sense to me IF a '56 is wired like a later model vehicle.
At a glance, one would think that this would work. Alas, that thought process overlooks the fact that a signal flasher is merely a low-load circuit breaker that is normally closed. Hooking an indicator bulb to the output side of the flasher would result in either a solid indicator (if the load was insufficient to make the flasher "flash"), or a perpetually flashing indicator.
My thoughts also go toward a diode solution. Or a pair of bulbs under the single indicator lens. Or a trick, two-filament indicator bulb.
On all the cars I worked with from 1972 and on the plastic flashers were like that and the factory put the plastic flasher in the turn signal circuit. But all the metal flashers were different and the factory put them in the 4 way flasher circuits. But over the years the metal ones also got put into the turn signal circuits. My dealer did not even stock the plastic ones so all cars got the metal ones when the flasher was replaced. The metal ones have a set of contacts that are normally open and then they have a winding tied across it. Whent the turn signal bulbs ground it the winding heats up and bends together so they make contact touch and turn the bulbs on. Once they make contact no current goes thru the winding and it cools and opens the contacts back up. Its easy to tell which kind it has as the plastic ones as you described will lite as soon as the turn signal switch is turned on. The bulbs will lite right away and on the metal type I described when the turn signal switch is turned on the bulbs wont lite right away. They will take a second or two before the bulbs lite up as thats about how long the winding takes to heat up and close the contacts. Ron
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Re: Electrical Geniuses Help
[Re: John_Kunkel]
#1613250
04/28/14 09:10 PM
04/28/14 09:10 PM
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Joined: Jan 2003
Posts: 104,346 Garden Grove, CA
OzHemi
Penguin-hating Ginger
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Penguin-hating Ginger
Joined: Jan 2003
Posts: 104,346
Garden Grove, CA
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Quote:
(I hope the flasher prongs are the same as spade connectors)
I did something similar once, and I had some female spade terminals around that fit well on the flasher...so probably not anything exotic sized.
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Re: Electrical Geniuses Help
[Re: 68HemiB]
#1613251
04/28/14 09:13 PM
04/28/14 09:13 PM
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Joined: Jan 2003
Posts: 104,346 Garden Grove, CA
OzHemi
Penguin-hating Ginger
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Penguin-hating Ginger
Joined: Jan 2003
Posts: 104,346
Garden Grove, CA
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Quote:
My thoughts also go toward a diode solution. Or a pair of bulbs under the single indicator lens. Or a trick, two-filament indicator bulb.
I was almost going to suggest a twin fillament bulb too, but went with the rewire idea instead...seemed like a more simple solution.
As for diodes...those seem like a pretty one direction reply.
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Re: Electrical Geniuses Help
[Re: John_Kunkel]
#1613256
04/29/14 05:26 PM
04/29/14 05:26 PM
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Joined: Jan 2003
Posts: 21,088 Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,088
Niles , Ohio
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John do you want to keep it looking pure stock.Ive seen just the indicators on Ebay.You could add another one.That would be the easiest thing. Rocky
Last edited by therocks; 04/29/14 05:30 PM.
Chrysler Firepower
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Re: Electrical Geniuses Help
[Re: therocks]
#1613257
04/29/14 07:03 PM
04/29/14 07:03 PM
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Joined: Jun 2008
Posts: 1,822 Colorado
denfireguy
top fuel
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top fuel
Joined: Jun 2008
Posts: 1,822
Colorado
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Not a genius, here is the innards of the original:
Diode should work.
Craig
2014 Ram 1500 Laramie, 73 Cuda Previous mopars: 62 Valiant, 65 Fury III, 68 Fury III, 72 Satellite, 74 Satellite, 89 Acclaim, 98 Caravan, 2003 Durango Only previous Non-Mopar: Schwinn Tornado
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