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Float Switch Wiring
This is a discussion on "Float Switch Wiring" within the Technical Questions forums. This forum, and the thread "Float Switch Wiring "are both part of the General Performance category;
Devilsown Methanol Alcohol Water Injection
> General Performance
> Technical Questions 
Float Switch Wiring
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07-21-2007
| #1 (permalink) |
| Water Injection Newb Year: 2005 Make: Pontiac Model: GTO Join Date: Jul 2007
Posts: 1
|  Float Switch Wiring I bought the black float switch as pictured on the website. I'm going to drill a hole in my tank and put this in - but how does this thing get wired up ? 1) Is there a way to wire it so a light on the controller comes on when my fluid level drops below a certain level ? - or - 2) How would an Led get wired in to come on when fluid level is low ? |
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07-23-2007
| #2 (permalink) |
| DevilsOwn Staff Year: 2000 Make: Pontiac Model: Grand Prix  Join Date: Apr 2005
Posts: 1,122
  | Re: Float Switch Wiring
You just take 1 leg of the float switch and attach it to ground and the other leg to the ground of your led We don't have a way to wire the float to our controller. |
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03-04-2008
| #3 (permalink) | |
| Water Injection Newb Year: 1968 Make: Chevy Model: Camaro Join Date: Feb 2007
Posts: 7
| Re: Float Switch Wiring Quote:
I've not installed my float switch for some time and have decided to finally add it ... Now on your float page >>> http://www.alcohol-injection.com/wat...switch-71.html It states the following >>> "Can be used with our controller as a warning system, Connect this level switch to the chassis ground with one of it's wires and the other to the pumps ground wire. When the level drops the fault light on the controller will activate when the system sees your start point of boost. Or this can be wired to an led light." So, is this not correct ... This is how I planned to install mine so that I didn't have to add an LED somewhere within the vehicle ... Please let me know ... Thanks! | |
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03-04-2008
| #4 (permalink) |
| DevilsOwn Staff  Join Date: Apr 2005
Posts: 2,043
| Re: Float Switch Wiring
Yes this is correct if you wire the switch to un-ground the pump when it is at a low level then the controller fault light will activate, However this will turn off your alcohol injection. The other way is to wire it to a LED so you have a early warning but you still have the system on.
__________________ Currently deployed to Ramadi 1 battalion 12th Marines Task Force MP  |
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03-05-2008
| #5 (permalink) | |
| Water Injection Newb Year: 1968 Make: Chevy Model: Camaro Join Date: Feb 2007
Posts: 7
| Re: Float Switch Wiring Quote:
Looks like I'll add an LED ... | |
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03-12-2008
| #6 (permalink) |
| Water Injection Newb Year: 1995 Make: Toyota Model: MR2 Turbo Join Date: Apr 2007
Posts: 12
| Re: Float Switch Wiring
But surely you would want it wiring up so that it switched the pump off if you were low ???? going just with LED you would run the risk of missing it flashing and ending up running WI with nothing in it....or am I missing something  |
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03-15-2008
| #7 (permalink) |
| DevilsOwn Staff Join Date: Apr 2005
Posts: 2,043
| Re: Float Switch Wiring
Thats why it is best to wire a LED indicator but you can wire it in the controller, The fact that you know your system will be off will keep you from getting into the throttle. Some people will keep pushing it even after the LED says low. (just like low fuel) I think i got enough  The controller will warn you as soon as you hit your start point so you know that very second you should not get into the boost. And of course you should be tuned to the point were you don't get enough KR to cause any problems with the system off.
__________________ Currently deployed to Ramadi 1 battalion 12th Marines Task Force MP |
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