Start/Stop Switch for the Engine
Just started (read "gained enough confidence") killing the engine and coasting up to red traffic lights. The Saturn restarts very quickly, however when I kill the engine, I lose all lights and gauges. Turning the key back to 'Run' brings them back though. Kinda annoying at night.
Anway, it brought me to thinking about a pushbutton start/stop switch on the dash, that way I could leave the car at 'Run' and kill/start the engine as I needed it. However, I am not an electrical genius. What kind of switch would work best? A momentary switch to replace the 'Start' ciruit would work, but I don't know how it would work to kill the engine. I may have to research this a bit. |
I did that on my geo for similar reasons. I just used a momentary switch and put it in series with my fuel injector. It kills it kinda slow (have to hold the switch for a couple seconds till battery light comes on), but it fires up as fast as ever when I bump start. I did like many others and put the switch on the gear shift. Makes EOC and P&G easier ;) . You probably have multiple injectors though, others (with saturns too) have done this mod with more than one injector. I chose to kill the fuel to save fuel, it seems like if you just kill ignition it could still dump some fuel for a moment when killed.
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I put a shutoff switch for the power feeding to the injectors. The ecu typically pulls the injector low, at least on Honda's, which enables the injector. On my Honda, this leaves the lights on, but it does throw a cel light, which doesn't seem to affect anything operating, but is really annoying at night.
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I installed my kill switch to the coil, as gas miser stated it does dump fuel. Sometimes after a long coast it has a very long crank as if it lost prime. This is a real problem with a bunch of cars behind you. Look into mech. for the ecm if possible might be easy to locate a kill point there.
Where is acc. on your cylinder lock, rock back or forward. On the Geo you can kill it with the key by rocking one stop back. The buzzer was always irratating when keying back up until with my daughter in the car it the buzzing stops. If you dissconnect the passenger seat wire the buzzers dead. Keep at it filled up today 57.3 mpg with nothing but a stock metro. I bought new tires and wheels to change final drive hoping for 60mpg. |
I'll see if I can dig up the "How to" that I wrote on how I did my injector kill switch on my Saturn. It only requires running 1 wire inside to a switch.
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In the meantime, I did some thinking:
This would allow me to leave the key in "Run" keeping all lights on. The switch for the starter will be easy. Hopefully diamondlarry can get me some info on the kill switch. I'll also look into my wiring diagram from my Haynes Manual. And to the idea of the switch(es) on the shifter... EXCELLENT IDEA! |
I couldn't find it here on gassavers but i did find a post I made at cleanmpg.com.
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