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Colorado Yeti
Samba Member
Joined: August 25, 2013
Posts: 356
Location: Ft. Collins, Colorado
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 Posted: Sat Jun 23, 2018 10:58 am Post subject: RMW Coolant Tank Sensor Wiring Question |
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| I just purchased the RMW aluminum expansion tank and have installed it. Unfortunately, I did not get any instructions. The original tank has a two wire coolant level sensor while the RMW tank only has one male end for the red sensor wire. What should I do with the brown ground wire? Ground it anywhere on the chassis or the mounting screws for the tank? |
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kamzcab86
Samba Moderator
Joined: July 26, 2008
Posts: 7918
Location: Arizona
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| Posted: Sat Jun 23, 2018 1:23 pm Post subject: Re: RMW Coolant Tank Sensor Wiring Question |
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| Colorado Yeti wrote: |
| What should I do with the brown ground wire? Ground it anywhere on the chassis or the mounting screws for the tank? |
I've got it grounded on the tank mount, along with another unrelated ground. But you can ground it anywhere you like on the chassis.
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~Kamz 
1986 Cabriolet: www.Cabby-Info.com
 1990 Vanagon Westfalia: Old Blue's Blog
2016 Golf GTI S
"Real knowledge is to know the extent of one's ignorance." - 孔子 |
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Mellow Yellow 74
Samba Member
Joined: October 14, 2014
Posts: 1615
Location: Sydney, Australia
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| Posted: Sat Jun 23, 2018 1:37 pm Post subject: Re: RMW Coolant Tank Sensor Wiring Question |
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You don't need to connect the brown wire at all - just cut it and leave unconnected
http://texasvanagons.com/rmw-aluminum-coolant-tank/
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1962 Karmann Ghia
1974 Deluxe Microbus
1985 Caravelle (Vanagon) |
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Paulbeard
Samba Member
Joined: July 10, 2015
Posts: 2604
Location: Seattle
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| Posted: Sat Jun 23, 2018 2:40 pm Post subject: Re: RMW Coolant Tank Sensor Wiring Question |
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| Quote: |
This tank comes complete with a new level sensor as well as a radiator cap that can be purchased at any auto parts store in the country. Its not a VW specific proprietary design cap which is nice to know if for some reason I’m on the road and have the cap fail I can replace it fairly easily at any auto parts store.
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This makes me wonder if there isn't a market for a screw-on fitting that takes a generic FLAPS radiator cap but allows you to keep your old tank, if you want to. The OEM caps can run as much as $50: I would expect an adaptor/fitting to be less than that, much less than the $245 RMW tank and you can still visually inspect your fluids, if that's your thing.
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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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