2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Fuel Cut Off Switch

Thread Tools
 
Search this Thread
 
Old Sep 29, 2010 | 05:33 PM
  #1  
mjguinoo's Avatar
Thread Starter
Junior Member
 
Joined: Feb 2009
Posts: 14
Likes: 0
From: BAY AREA
Question Fuel Cut Off Switch

are there any already made or rx7 ready fuel cut off switches out there?
Reply
Old Sep 29, 2010 | 05:41 PM
  #2  
RotaryEvolution's Avatar
Sharp Claws
Tenured Member 15 Years
iTrader: (30)
 
Joined: Oct 2003
Posts: 5,107
Likes: 50
From: Central Florida
at the auto parts store, in the electrical section there is some pre-assembled switches that range from $2-10.
Reply
Old Sep 29, 2010 | 05:57 PM
  #3  
Hazard15301's Avatar
Rotor Junkie
Tenured Member: 15 Years
iTrader: (5)
 
Joined: Sep 2006
Posts: 1,007
Likes: 1
From: Washington, PA
I think he means like a plug and play deal.

No, they don't make any, if that's what you mean.

Copy/Pasted from RotaryResurrection.com

Fuel cut off switch:
The "band aid" cure for cars which flood consistently is to install a toggle switch which will control the fuel pump. Note that the only cures for consistent flooding are cleaning/rebuilding injectors, rebuilding the engine, or finishing rebuild breakin. I like to install my cutoff switch right behind the keyhole in the lower column surround, but anywhere within easy reach will work. I use a toggle switch available at radio shack for about 2 dollar, called a rocker switch. IT is solid black, very slimline(maximum protrusion 1/8") and fits perfectly. You can use any toggle switch however.
1)

Obtain the following: 2 prong, 2 position toggle switch, at least 2 feet length of 16-14 gauge wire, 2 female speaker terminal connectors(quick connect), 2 wire taps(vampire taps) and wire crimpers/strippers. Vampire taps join one wire beside another, when a metal strip gets pushed down connecting the 2 wires. A clean way to connect 2 wires.
2)

Remove column cover and install the toggle switch in its position(or wherever else you want).
3)

Locate the fuelpump relay under the dash. Located between the radio and the steering column, it is a black relay with a white, 5 wire plug.
4)

Cut the fuelpump control wire: of the 5 wire plug, cut the middle wire of the 5.
5)

Run wires from the toggle switch to each of the ends you just cut and connect them all. Which wire goes to which end does not matter, there is no polarity here, only continuity.
6)

Put everything back together. Your switch is now installed.
7)

To operate it, figure out which way is on and which is off. I like to orient off downward.
8)

With the car running, turn the key off normally. Remove your key, and leave the switch alone.
9)

When restarting, flip switch OFF, insert key, floor throttle, crank car, and it will likely start up. IMMEDIATELY as soon as the tach needle passes the 750rpm line flip the switch on. IF you're quick enough the engine will stay running.


In addition to this, I also ran a new 12v line to the fuel pump. The lines degrade over time and this is just cheap insurance.
Reply
Old Sep 29, 2010 | 08:01 PM
  #4  
chatchie's Avatar
Rotary Enthusiast
Tenured Member 05 Years
iTrader: (22)
 
Joined: Sep 2007
Posts: 756
Likes: 0
From: mass
It takes like 18 1/2 minutes to do. Super easy.
Reply
Old Sep 30, 2010 | 11:44 AM
  #5  
mjguinoo's Avatar
Thread Starter
Junior Member
 
Joined: Feb 2009
Posts: 14
Likes: 0
From: BAY AREA
whoa thats pretty cheap!! thnx for the info yall
Reply
Old Sep 30, 2010 | 05:08 PM
  #6  
texFCturboII's Avatar
version 2.0
Tenured Member 15 Years
iTrader: (17)
 
Joined: Mar 2007
Posts: 3,596
Likes: 2
From: Fort Worth, TX
Originally Posted by chatchie
It takes like 18 1/2 minutes to do. Super easy.
I did it in 00:16:28.45

Ha.
Reply
Old Sep 30, 2010 | 06:03 PM
  #7  
3vil's Avatar
Mazda Misfit
Tenured Member 05 Years
iTrader: (4)
 
Joined: Feb 2010
Posts: 574
Likes: 1
From: Springtuckey
Originally Posted by texFCturboII
I did it in 00:16:28.45

Ha.
18:30.00 is for someone who has never worked on a car, or done ANY sort of wiring.

but in all seriousness, it's really easy to install a fuel cut switch.
Reply
Old Sep 30, 2010 | 07:22 PM
  #8  
chatchie's Avatar
Rotary Enthusiast
Tenured Member 05 Years
iTrader: (22)
 
Joined: Sep 2007
Posts: 756
Likes: 0
From: mass
Originally Posted by texFCturboII
I did it in 00:16:28.45

Ha.
I had a beer and walked the dog at 9m 15sec.
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
trickster
2nd Generation Specific (1986-1992)
25
Jul 1, 2023 04:40 PM
alphawolff
1st Generation Specific (1979-1985)
17
Nov 17, 2015 05:57 PM
armans
3rd Generation Specific (1993-2002)
5
Aug 15, 2015 09:08 PM




All times are GMT -5. The time now is 09:43 PM.