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Electrical Geniuses Help #1613239
04/28/14 04:35 PM
04/28/14 04:35 PM
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Rio Linda, CA
John_Kunkel Offline OP
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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?


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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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Lincoln Nebraska
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RapidRobert Offline
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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
Re: Electrical Geniuses Help [Re: RapidRobert] #1613241
04/28/14 05:52 PM
04/28/14 05:52 PM
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North Dakota
6PakBee Offline
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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.


"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
Re: Electrical Geniuses Help [Re: John_Kunkel] #1613242
04/28/14 06:04 PM
04/28/14 06:04 PM
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Posts: 104,346
Garden Grove, CA
OzHemi Offline
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Either the diode idea, or...aside from the looks of it, what about making some jumper wires that plug into your loom and extend out to a remote mount (near by) 3 prong switch..then just run a seperate wire from the 3rd pilot light terminal up to the dash ?

Re: Electrical Geniuses Help [Re: OzHemi] #1613243
04/28/14 07:29 PM
04/28/14 07:29 PM
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West Palm Beach, Florida
Copper Dart Offline
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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.


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Ricky Valdes
Re: Electrical Geniuses Help [Re: RapidRobert] #1613244
04/28/14 07:47 PM
04/28/14 07:47 PM
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Posts: 26,037
Rio Linda, CA
John_Kunkel Offline OP
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Quote:

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.




Tried that already but the current flows through the closed contacts in the flasher and keeps the indicator bulb lit continuously whenever the key is on...evidently the small indicator bulb doesn't provide enough load to make the flasher flash.


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Re: Electrical Geniuses Help [Re: 6PakBee] #1613245
04/28/14 07:52 PM
04/28/14 07:52 PM
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SoCal
68HemiB Offline
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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.


Down to just a blue car now.
Re: Electrical Geniuses Help [Re: 68HemiB] #1613246
04/28/14 07:53 PM
04/28/14 07:53 PM
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Posts: 9,316
SoCal
68HemiB Offline
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Re: Electrical Geniuses Help [Re: OzHemi] #1613247
04/28/14 08:02 PM
04/28/14 08:02 PM
Joined: Jan 2003
Posts: 26,037
Rio Linda, CA
John_Kunkel Offline OP
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Ozhemi's reply got me thinking, I think I'll try two jumpers made with male/female spade connectors plugged into my fuse panel run to a remote 3-prong flasher. (I hope the flasher prongs are the same as spade connectors)

8127306-Bonz_04.jpg (45 downloads)
Re: Electrical Geniuses Help [Re: John_Kunkel] #1613248
04/28/14 08:57 PM
04/28/14 08:57 PM
Joined: Jan 2003
Posts: 27,421
Balt. Md
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383man Offline
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I am not sure on the turn signal switch wireing on a 56 but if its about the same as the 60 and 70 cars I would just use a two prong flasher in the ign power source to the turn signal switch. Then if its like most turn signal switches I worked with the switch has 2 feeds out per side which is one to the rear bulb and one to the front bulb and the indicator on the dash is tied into the front bulb feed. Each side is like that so you could just tie each sides front bulb feed into the dash indicator lite and then put a diode in each indicator feed so it wont feed back to the other front bulb. Ron

Re: Electrical Geniuses Help [Re: 68HemiB] #1613249
04/28/14 09:09 PM
04/28/14 09:09 PM
Joined: Jan 2003
Posts: 27,421
Balt. Md
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383man Offline
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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

Re: Electrical Geniuses Help [Re: John_Kunkel] #1613250
04/28/14 09:10 PM
04/28/14 09:10 PM
Joined: Jan 2003
Posts: 104,346
Garden Grove, CA
OzHemi Offline
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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.

Re: Electrical Geniuses Help [Re: 68HemiB] #1613251
04/28/14 09:13 PM
04/28/14 09:13 PM
Joined: Jan 2003
Posts: 104,346
Garden Grove, CA
OzHemi Offline
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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.

Re: Electrical Geniuses Help [Re: OzHemi] #1613252
04/28/14 09:16 PM
04/28/14 09:16 PM
Joined: Dec 2003
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nomore65BelvJim Offline
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Quote:



As for diodes...those seem like a pretty one direction reply.




You cant back up that charge

Re: Electrical Geniuses Help [Re: 383man] #1613253
04/28/14 09:43 PM
04/28/14 09:43 PM
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Lincoln Nebraska
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RapidRobert Offline
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Quote:

and the factory put the plastic flasher in the turn signal circuit. But all the metal flashers were different The metal ones have a set of contacts that are normally open and then they have a winding tied across it. Ron


Ron are you thinking that either the metal or the plastic cans will take care of this for John? (by T ing from the output wire to the indcator light) or is that a dead idea?


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Re: Electrical Geniuses Help [Re: RapidRobert] #1613254
04/29/14 03:52 PM
04/29/14 03:52 PM
Joined: Jan 2003
Posts: 26,037
Rio Linda, CA
John_Kunkel Offline OP
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OzHemi's suggestion is gonna work, the 3-prong flasher (NAPA NF 550) works just like the 2-prong but the 3rd "P" terminal powers the single flasher lamp. The flasher pins are the same as 1/4" spade connectors.

8128105-550.jpg (40 downloads)
Re: Electrical Geniuses Help [Re: John_Kunkel] #1613255
04/29/14 04:19 PM
04/29/14 04:19 PM
Joined: Jan 2003
Posts: 104,346
Garden Grove, CA
OzHemi Offline
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Re: Electrical Geniuses Help [Re: John_Kunkel] #1613256
04/29/14 05:26 PM
04/29/14 05:26 PM
Joined: Jan 2003
Posts: 21,088
Niles , Ohio
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therocks Offline
oh wait.but hey.lets see.oh yeah.
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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.

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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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Colorado
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denfireguy Offline
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Not a genius, here is the innards of the original:

Diode should work.

Craig

8128252-fl_test.gif (24 downloads)

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