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Buggeee Samba Member
Joined: December 22, 2016 Posts: 4423 Location: Stuck in Ohio
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Posted: Sat Apr 20, 2024 1:02 pm Post subject: Is there a hack to run a 12v 9-pin flasher relay on 6v ??? |
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I have a 1966 Bus that has a Wolfsburg West repop 9 pin flasher relay that runs on 12v. Here is a picture.
I threw a rod, tossed in a buddy's 6v engine to drive it this summer and have got everything working on 6v again except the turn signals and hazards, because the relay is a repop 12v from Wolfsburg West.
Searching informs me that a repop 9-pin relay in 6v is not available anywhere, is that correct?
My efforts, perhaps inadequate, in searching our classifieds as well as Ebay does not find me a used, or a nos, or a repop 6v 9-pin, unfortunately for me.
So... is there some hack that might get my turn signalsband hazards working on 6v so I can enjoy my bus as a 6v this summer?
Thank you for any interest in this dilemma that my fellow sambanistas might have for me. _________________ 1966 Sportsmobile Camper https://www.thesamba.com/vw/forum/viewtopic.php?t=...mp;start=0
72 Super Duper http://www.thesamba.com/vw/forum/viewtopic.php?t=672387
(adopted out) 61 Turkis Pile https://www.thesamba.com/vw/forum/viewtopic.php?t=728764
SnowDaySyncro wrote: |
Every setback is an opportunity to learn stuff and to buy new tools. |
Last edited by Buggeee on Mon Apr 22, 2024 10:04 pm; edited 1 time in total |
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Buggeee Samba Member
Joined: December 22, 2016 Posts: 4423 Location: Stuck in Ohio
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BonTonRoulet Samba Member
Joined: September 29, 2020 Posts: 363 Location: Mississippi
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Posted: Sat Apr 20, 2024 2:39 pm Post subject: Re: Is there a hack to run a 9-pin flasher relay on 6v ??? |
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I may be wrong as I've been wrong before, but I don't think that 9 pin box is voltage dependent. I would guess something else other than the 9 pin box is giving you problems.
Also the 1966 models have a unique wiring of the turn signals/flasher system due to the flashing emergency flasher knob. You can find that addendum to the wiring with the wiring diagram in the owners manual section of this forum.
Good Luck! _________________ Never argue with an Idiot. They'll only bring you down to their level and beat you with experience. |
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Buggeee Samba Member
Joined: December 22, 2016 Posts: 4423 Location: Stuck in Ohio
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Buggeee Samba Member
Joined: December 22, 2016 Posts: 4423 Location: Stuck in Ohio
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Posted: Sat Apr 20, 2024 3:15 pm Post subject: Re: Is there a hack to run a 9-pin flasher relay on 6v ??? |
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BonTonRoulet wrote: |
I may be wrong as I've been wrong before, but I don't think that 9 pin box is voltage dependent. I would guess something else other than the 9 pin box is giving you problems.
Also the 1966 models have a unique wiring of the turn signals/flasher system due to the flashing emergency flasher knob. You can find that addendum to the wiring with the wiring diagram in the owners manual section of this forum.
Good Luck! |
I'll look at other stuff too then. My guess is the internal relays are looking for a particular voltage, but I don't understand electricity theories very well. _________________ 1966 Sportsmobile Camper https://www.thesamba.com/vw/forum/viewtopic.php?t=...mp;start=0
72 Super Duper http://www.thesamba.com/vw/forum/viewtopic.php?t=672387
(adopted out) 61 Turkis Pile https://www.thesamba.com/vw/forum/viewtopic.php?t=728764
SnowDaySyncro wrote: |
Every setback is an opportunity to learn stuff and to buy new tools. |
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Buggeee Samba Member
Joined: December 22, 2016 Posts: 4423 Location: Stuck in Ohio
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Eric&Barb Samba Member
Joined: September 19, 2004 Posts: 24765 Location: Olympia Wash Rinse & Repeat
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Posted: Sun Apr 21, 2024 12:01 pm Post subject: Re: Is there a hack to run a 9-pin flasher relay on 6v ??? |
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You could try a 12 volt step up converter (DC buck module), BUT must make sure that it will have enough Amperage output to get both the relay and all of the bulbs to function then get at least 50% more amperage than you need for E-flashers working. Probably best to just connect up the flasher system to external 12 volt and measure amperage use to make sure what you need as a base line.
https://www.ebay.com/sch/i.html?_from=R40&_trk...;_osacat=0 _________________ In Stereo, Where Available! |
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Buggeee Samba Member
Joined: December 22, 2016 Posts: 4423 Location: Stuck in Ohio
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Posted: Mon Apr 22, 2024 11:52 am Post subject: Re: Is there a hack to run a 9-pin flasher relay on 6v ??? |
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Eric&Barb wrote: |
You could try a 12 volt step up converter (DC buck module), BUT must make sure that it will have enough Amperage output to get both the relay and all of the bulbs to function then get at least 50% more amperage than you need for E-flashers working. Probably best to just connect up the flasher system to external 12 volt and measure amperage use to make sure what you need as a base line.
https://www.ebay.com/sch/i.html?_from=R40&_trk...;_osacat=0 |
What a nifty device, thank you for the link. I ordered one with a 5A 12v output, thinking it will draw 10A from the 6v supply, which is as much as I want to pull from the system on this old bus. I'll use this to power a 12v phone charger in my now 6v bus and stay connected. Awesome. _________________ 1966 Sportsmobile Camper https://www.thesamba.com/vw/forum/viewtopic.php?t=...mp;start=0
72 Super Duper http://www.thesamba.com/vw/forum/viewtopic.php?t=672387
(adopted out) 61 Turkis Pile https://www.thesamba.com/vw/forum/viewtopic.php?t=728764
SnowDaySyncro wrote: |
Every setback is an opportunity to learn stuff and to buy new tools. |
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telford dorr Samba Member
Joined: March 11, 2009 Posts: 3555 Location: San Diego (Encinitas)
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Posted: Mon Apr 22, 2024 7:44 pm Post subject: Re: Is there a hack to run a 9-pin flasher relay on 6v ??? |
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Having overhauled a few 9 pin relays, the 6 and 12 volt relays have different circuits and different component values. Not practical to change.
That said, switching a 12 volt converted bus back to 6 volts is going to have a whole host of issues. Why not mount up a 12 volt flywheel (re-shimming required, but so what?) and stay 12 volts? _________________ '71 panel, now with FI
'Experience' is the ability to recognize a mistake when you're making it again - Franklin P. Jones
In theory, theory works in practice; in practice, it doesn't - William T. Harbaugh
When you're dead, you don't know you're dead. The pain is only felt by others.
Same thing happens when you're stupid. - Philippe Geluck
More VW electrical at http://telforddorr.com/ (available 9am to 9pm PST) |
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Eric&Barb Samba Member
Joined: September 19, 2004 Posts: 24765 Location: Olympia Wash Rinse & Repeat
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Posted: Mon Apr 22, 2024 8:05 pm Post subject: Re: Is there a hack to run a 9-pin flasher relay on 6v ??? |
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telford dorr wrote: |
That said, switching a 12 volt converted bus back to 6 volts is going to have a whole host of issues. Why not mount up a 12 volt flywheel (re-shimming required, but so what?) and stay 12 volts? |
Or just install a 6 volt starter with 12 volt solenoid. _________________ In Stereo, Where Available! |
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Buggeee Samba Member
Joined: December 22, 2016 Posts: 4423 Location: Stuck in Ohio
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Posted: Mon Apr 22, 2024 9:55 pm Post subject: Re: Is there a hack to run a 9-pin flasher relay on 6v ??? |
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Valid points on why to not go 6v overall. Also the 12v solenoid on the 6v starter is a cool trick, and I remember doing that to my first splitty bus when I was a kid and went 12v.
I'm just doing this 6v lark totally for fun, as the engine I had immediately available to swap into my bus is equipped with 6v stuff, matching starter, and I had a bunch of 6v light bulbs. Just missing the 6v 9-pin flasher box so I only have running lights and headlights working for the moment until I figure this out.
The step-up converter idea, if it could generate enough amps, would send 12v through the flasher box to the lights downstream so the bulbs downstream from it would have to be 12v I imagine. This has possibilities worth exploring.
So far I think the most attractive 6v solution to me would be to build an equivalent with various relays as outlined in the type2.com link I posted earlier from the other thread. That looks like a really satisfying contraption to assemble.
Also if a dead 6v 9-pin box was there, I have read that inside are relays that can be revived by cleaning the contact points, so that is good to know. I don't happen to have one. Maybe Ron Burgundy's unknown condition box will function by luck, or be reviveable.
In the meantime a Samba Hero has contributed a ran-when-parked 6v 9-pin box from a 66 Beetle, which I think will be the same - so I may be legal very soon! _________________ 1966 Sportsmobile Camper https://www.thesamba.com/vw/forum/viewtopic.php?t=...mp;start=0
72 Super Duper http://www.thesamba.com/vw/forum/viewtopic.php?t=672387
(adopted out) 61 Turkis Pile https://www.thesamba.com/vw/forum/viewtopic.php?t=728764
SnowDaySyncro wrote: |
Every setback is an opportunity to learn stuff and to buy new tools. |
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BonTonRoulet Samba Member
Joined: September 29, 2020 Posts: 363 Location: Mississippi
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Posted: Tue Apr 23, 2024 8:04 am Post subject: Re: Is there a hack to run a 12v 9-pin flasher relay on 6v ??? |
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IF your 1966 model bus was already converted to 12 volts, then you blew up the engine and then "tossed in a buddy's 6 volt engine" then it seems to me instead of converting your bus back to 6 volts, just swap out your 12 volt generator (perhaps even the entire fan shroud?) and either swap your flywheel or find a 6 volt starter? _________________ Never argue with an Idiot. They'll only bring you down to their level and beat you with experience. |
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Buggeee Samba Member
Joined: December 22, 2016 Posts: 4423 Location: Stuck in Ohio
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Posted: Tue Apr 23, 2024 11:49 am Post subject: Re: Is there a hack to run a 12v 9-pin flasher relay on 6v ??? |
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BonTonRoulet wrote: |
IF your 1966 model bus was already converted to 12 volts, then you blew up the engine and then "tossed in a buddy's 6 volt engine" then it seems to me instead of converting your bus back to 6 volts, just swap out your 12 volt generator (perhaps even the entire fan shroud?) and either swap your flywheel or find a 6 volt starter? |
Well reasoned and practical too. I'm just doing the 6v experience for fun. It's all down to the flasher now. Also I'm going to see if the 6v radio woks as it was not hooked up to the 12v when I got it and I never did hook up a step down from 12 to 6 out of laziness.
For what it's worth, this bus may very well experience a 12v life again after I finish a fresh long block for it. For now it's all about the novelty and something to meditate on.
It may help if I share an infatuation with this particular little, super quiet, super eager '63 6v engine, that I got a crush on while it was in a beetle, before my friend pulled it in favor of his 2 liter beast with a built tranny. Back then he was always last in the cruise line on the highway but when he would putter into the show it would be soooo quiet and pleasant. "Now that's what a VW sounds like" I would say. So when it got pulled I grabbed it asap and saved it for this rainy day. Now its plugged right in for some slow ride summer. _________________ 1966 Sportsmobile Camper https://www.thesamba.com/vw/forum/viewtopic.php?t=...mp;start=0
72 Super Duper http://www.thesamba.com/vw/forum/viewtopic.php?t=672387
(adopted out) 61 Turkis Pile https://www.thesamba.com/vw/forum/viewtopic.php?t=728764
SnowDaySyncro wrote: |
Every setback is an opportunity to learn stuff and to buy new tools. |
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