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mikemtnbike
Samba Member
Joined: March 26, 2015
Posts: 2797
Location: North Carolina
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 Posted: Sat Nov 10, 2018 7:32 am Post subject: Constant power source? |
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Am I correct that P 1-7 on this diagram are constant 12v? If not, suggestions for another good place to access said? I’m wiring in a digital oil pressure gauge and making sure.
_________________
1991 Vanagon GL 2.1 AT Westfauxlia. "Frankie" Totaled  https://www.thesamba.com/vw/forum/viewtopic.php?t=764510&highlight=carnage
1995 Eurovan Camper "Marzivan"
2020 GTI SE manual |
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crazyvwvanman
Samba Member
Joined: January 28, 2008
Posts: 9939
Location: Orbiting San Diego
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| Posted: Sat Nov 10, 2018 10:16 am Post subject: Re: Constant power source? |
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Don't use the P spots to directly power things that should be turned off when the vehicle is parked.
For gauges you can get power from the back of the rear window defroster switch and that will put it on a fuse and turn it off when the key is off.
Mark |
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11BC2
Samba Member
Joined: August 27, 2017
Posts: 495
Location: Cool, California
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| Posted: Sat Nov 10, 2018 10:18 am Post subject: Re: Constant power source? |
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| Why do you want constant +12v on a gauge? |
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mikemtnbike
Samba Member
Joined: March 26, 2015
Posts: 2797
Location: North Carolina
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| Posted: Sat Nov 10, 2018 11:18 am Post subject: Re: Constant power source? |
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On the glowshift oil pressure gauge that vanagain.com sells, there are 4 wires coming off the power harness that are supposed to be hooked up as follows:
- ground, just going to go to the cluster.
- 12 volt switched was going to piggyback on to G2 or G5. The directions say to hook up the “to the fuse panel or an accessory wire”
- headlight power- it auto dims the gauge when you turn the lights on - was going to join up with G7. Maybe the headlight switch would be better?
- and 12 volt constant. The directions say to hook up at “the fuse panel or directly to the battery. If hooking directly to battery, add a 3 amp fuse within 6-8 inches of the battery.”
They’re generic glowshift directions, nothing extra supplied by vendor.
My wiring fu is weak. I’d love some feedback. I’ll be trying to hook it up Monday work for los federales so it’s a holiday for me.
_________________
1991 Vanagon GL 2.1 AT Westfauxlia. "Frankie" Totaled https://www.thesamba.com/vw/forum/viewtopic.php?t=764510&highlight=carnage
1995 Eurovan Camper "Marzivan"
2020 GTI SE manual |
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Paulbeard
Samba Member
Joined: July 10, 2015
Posts: 2604
Location: Seattle
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| Posted: Mon Dec 31, 2018 6:54 pm Post subject: Re: Constant power source? |
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| crazyvwvanman wrote: |
For gauges you can get power from the back of the rear window defroster switch and that will put it on a fuse and turn it off when the key is off.
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Is there a non-halfassed way to do this, ie w/o vampire taps or any of that? How hard is it to get the necessary terminal out and crimp in a new wire to do this? This is what I hope to do tomorrow. I have removed a lot of those sh*tty taps and am hoping not to add one for the gauges. I have power to the lights, thanks to that wire-weld bundle that is now ziptied and heat-shrunk.
_________________
Currently -> Frida: 87 Tizian Red (mostly) Vanagon GL Westfalia w/ 2.0L ABA conversion
Formerly -> Steward of a 73 Super Beetle (Beater) and 67 Beetle 1300 (Little Max) both names by POs
— dhaavers |
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dhaavers
Samba Member
Joined: March 19, 2010
Posts: 7757
Location: NE MN (tinyurl.com/dhaaverslocation)
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| Posted: Mon Dec 31, 2018 7:08 pm Post subject: Re: Constant power source? |
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Google "piggyback tap"...add to any standard 1/4" spade terminal.
- Dave
_________________
86 White Wolfsburg Westy Weekender
"The WonderVan"
<EDITED TO PROTECT INNOCENT PIXELS> |
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Paulbeard
Samba Member
Joined: July 10, 2015
Posts: 2604
Location: Seattle
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| Posted: Mon Dec 31, 2018 9:21 pm Post subject: Re: Constant power source? |
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| dhaavers wrote: |
Google "piggyback tap"...add to any standard 1/4" spade terminal.
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All I get are dinguses that replace a fuse with pigtail…I think I know what you mean by the description but they must have another name. "piggyback terminal" gets what I think you mean…now to see if FLAPS has such a thing.
_________________
Currently -> Frida: 87 Tizian Red (mostly) Vanagon GL Westfalia w/ 2.0L ABA conversion
Formerly -> Steward of a 73 Super Beetle (Beater) and 67 Beetle 1300 (Little Max) both names by POs
— dhaavers |
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 50352
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| Posted: Mon Dec 31, 2018 10:07 pm Post subject: Re: Constant power source? |
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| Search for "piggyback spade terminal" |
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dhaavers
Samba Member
Joined: March 19, 2010
Posts: 7757
Location: NE MN (tinyurl.com/dhaaverslocation)
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| Posted: Mon Dec 31, 2018 10:08 pm Post subject: Re: Constant power source? |
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Indeed. Anyway, you're on it... <oops>
 
- Dave
_________________
86 White Wolfsburg Westy Weekender
"The WonderVan"
<EDITED TO PROTECT INNOCENT PIXELS> |
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