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Another 6v electrical boost question! #784205 Tue Sep 27 2011 10:29 PM
Joined: Jun 2009
Posts: 597
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fonz8261 Offline OP
Shop Shark
My '48 Chevy 1/2 ton p.u. is still a 6v system. I am using an original Guide turn signal switch and front/rear lamps--no emergency flash feature. I have installed a vintage 6v amber service lamp on the truck, which can act as an emergency flasher. Is there an electrical component that can provide me with 4 amps or thereabouts so that I may be able to have this amber service light flash faster and/or brighter?

Thanks for any insight on problem-solving this for me (and others).

Last edited by fonz8261; Tue Sep 27 2011 11:28 PM.
Re: Another 6v electrical boost question! [Re: fonz8261] #784249 Wed Sep 28 2011 01:16 AM
Joined: Nov 2009
Posts: 240
D
di1953gmc Offline
Shop Shark

This is academically simple but realistically more difficult.
Ohm's law states that, V = IR

where:
V = voltage
I = current
R = resistance

Two ways to increase the current are:

1. Increase the voltage while holding the resistance constant... By adding a battery or power source.

and

2. Decreasing the resistance while holding the voltage constant... By increasing the wire size (significantly) and all connections.

I don't know of a better way.

Dale


When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
-Unknown-
Re: Another 6v electrical boost question! [Re: di1953gmc] #784389 Wed Sep 28 2011 12:59 PM
Joined: May 2005
Posts: 1,602
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beltfed Offline
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There are several ways to go about this. You can add another flasher "can" wired thru a switch to activate your light as a flasher. Other options are to use an electronic flasher unit with allows you to vary aspects of the flash. As for brightness, change bulbs, use a voltage doubler, go the led path. Then again, you don't even need the additional light if you hsve brake/tail/turn lights. The above flasher "can" can be wired into existing lights.


Six volt guy living in a twelve volt world
Re: Another 6v electrical boost question! [Re: beltfed] #784412 Wed Sep 28 2011 02:29 PM
Joined: Aug 2005
Posts: 8,649
Tiny Offline
Global Mod
There are step-ups that boost the voltage to 12v but I don't know the amperage capability. There's a seller on ebay that told me he'd build me whatever I needed but I don't have his ebay name any longer.


Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
Re: Another 6v electrical boost question! [Re: Tiny] #784430 Wed Sep 28 2011 03:40 PM
Joined: May 2003
Posts: 149
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BillyDon Offline
Shop Shark
I just bought a voltage booster from Jim Carter. According to the owner's manual, "When used in a 6 volt system, it can continuously supply more than 3.5 amps with the engine off, and about 5 amps with the engine running at a fast idle."


My dad always told me, "Don't force it, get a bigger hammer".
Re: Another 6v electrical boost question! [Re: BillyDon] #784476 Wed Sep 28 2011 06:55 PM
Joined: Nov 2009
Posts: 240
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di1953gmc Offline
Shop Shark
fonz,

Do you want a voltage booster or an amperage booster? One is easy, the other...not so much.

Dale



When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
-Unknown-
Re: Another 6v electrical boost question! [Re: di1953gmc] #784586 Thu Sep 29 2011 02:18 AM
Joined: Jun 2009
Posts: 597
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fonz8261 Offline OP
Shop Shark
Voltage--1st
Amperage--2nd

Re: Another 6v electrical boost question! [Re: fonz8261] #784772 Thu Sep 29 2011 08:58 PM
Joined: Nov 2009
Posts: 240
D
di1953gmc Offline
Shop Shark
Well, after re-reading your post I think I may have an answer.

First, a little background:

The speed of a conventional mechanical flasher is dependent on the amount of current flowing through the circuit. Thus, if a bulb burns out (not drawing any current), the flasher slows or quits all together. Alternatively, if you replace the bulb with one that pulls more current (which will be brighter... the second half of your request) it will flash faster.

So, I believe if you replace your bulb with a special one, perhaps a halogen or super bright led one, it may solve both issues at once... faster and brighter.

The only down side to this idea is it may prematurely burn out your existing flasher and you may need to go to a heavy duty one.


Hope this helps,

Dale

PS... Several of the posts above have suggested good ways to boost the voltage, as for an amperage booster, first you need to know if your existing generator is at it's maximum capacity.



When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
-Unknown-
Re: Another 6v electrical boost question! [Re: di1953gmc] #784780 Thu Sep 29 2011 09:33 PM
Joined: Sep 2001
Posts: 28,484
tclederman Online
Boltergeist

"Thus, if a bulb burns out (not drawing any current), the flasher slows or quits all together.

Dale,

I know nothing about flashers but all the flashers on my vehicles (6v or 12v) flash faster when a bulb burns out? That is usually how I find out that I have a bad bulb.



Tim
1954Advance-Design.com
1954 3106 Carryall Suburban - part of the family for 48 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 14 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.
Re: Another 6v electrical boost question! [Re: tclederman] #784782 Thu Sep 29 2011 09:41 PM
Joined: Aug 2005
Posts: 8,649
Tiny Offline
Global Mod
That's what I was thinking Tim. That's how mine have always acted when a bulb dies.


Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
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