Re: 'cigar lighter' kill switch?
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http://autospeed.com.au/A_107975/cms/article.html ...or this one... http://www.northridge4x4.com/proddet...rod=ORO-ADE-II |
Re: 'cigar lighter' kill switch?
I just read this thread,with references to google searches etc. and couldn't help imagining every crook in the country going " OK,remember to check the lighter if it doesn't start".
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Re: 'cigar lighter' kill switch?
I have an idea for mine, but alas I'm not going to list it here :lol:
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Re: 'cigar lighter' kill switch?
I've seen an 80's toyota, that if you left the rear window defroster turned on, the engine wouldn't start. Not sure if it was stock... or even ententional... but it threw my buddy for quite a loop... for 2 days! It would crank, but no fire.
Also, in some of the new freight liners, there's a toggle switch with a label that says back up alarm... if you don't hit that momentarily on switch, the engine won't crank. A couple interesting things there kinda on topic. |
Re: 'cigar lighter' kill switch?
I thought the cigar lighter worked by completing the circuit in its normal position so the electricity just passed through to the ground and then breaking it (so there was no ground) when pushed in. And that was why it heated up. Am I wrong? How does a cigar lighter work?
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Re: 'cigar lighter' kill switch?
if the power passed right through it to the ground, then it would be a dead short to ground, and either pop a fuse, or burn a wire. When a lighter is in it's normal 'rest' position, there is nothing going on electricly. When you press the button, you are heating the element with a controlled short to ground.
Take a AA battery, and tun a wire from the positice to the negative. The wire will get very hot very quick. This is hoe the cigar lighter works. |
Re: 'cigar lighter' kill switch?
Ahh, I was completly wrong then. What I wanted to do was make it so the Neutral safety switch would work if the lighter was in the socket, but not if it was removed. I didnt want the lighter to have to be pressed in, though. Is there a way to make that work? Cause it would be like removing a fuse, only easier and more cool...
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Re: 'cigar lighter' kill switch?
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Now if you want to interupt power to an HEI or a safety switch use a relay, you may have to modify the lighters coil if the resistance is to great by soldering it.here is a simple diagram |
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Re: 'cigar lighter' kill switch?
LOL!!!! :haha:
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Re: 'cigar lighter' kill switch?
I saw a post from another forum where the fella modified the lighter socket to hold a pushbutton on/off switch. Push in the lighter..on!, push it again..well you get the picture.:metal:
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Re: 'cigar lighter' kill switch?
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Re: 'cigar lighter' kill switch?
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Oh, and BTW...the car was basically in for a complete wiring clean up. The Kill Switch was an afterthought.
Amazing what some patience can accomplish! :) |
Re: 'cigar lighter' kill switch?
you can wire up your cigarette lighter so that it remains functional and the vehicle still will not start unless you push it in. And if you are really anal about the security of you vehicle you can wire one side of the relay coil to a 12V switched source like say the headlights or the brake lights so you have to engage those for the cigarette lighter let the truck start.
You need two relays and wire as follows Relay 1: 85- to relay 2 post 87 86- to 12V switched Accessory (headlights, taillights) 87- to key side of starter wire 87a- not used 30- to starter side of starter wire Relay 2: 85- to key side of starter 86- Ground 87-to relay 1 post 85 **NOTE*** you have to cut the 12V wire to the cigarette lighter and run those two connections to the next two posts. 87a- to truck side of 12V cig wire 30- to cig lighter side of 12V wire. This has been used many times in some installs I have done for people and worked fine. If you guys have any questions or need me to clarify lemme know. Mtrhd329 |
Re: 'cigar lighter' kill switch?
This sounds like an interesting idea, but I have a question. What do you do with #86 terminal on relay #1 if your not going to use another switching source (headlights or brake lights)? Where does that #86 terminal hook up if you just want to use the cigarette lighter?
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Re: 'cigar lighter' kill switch?
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Re: 'cigar lighter' kill switch?
Try this link: http://www.dlcparts.com/images/BoschGuide.pdf
On page 15 or 16 gives good examples of how to use a cigarette lighter, but has a lot more ideas as well. They all use relays, which is the best way by far. |
Re: 'cigar lighter' kill switch?
I followed exactly the "STARTER DISABLE/CIGARETTE LIGHTER OPERATIVE" schematic on page #16. Can't get it to work, not able to energize the relays. Need to get an explanation of what exactly is going on when lighter is pushed in.
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Re: 'cigar lighter' kill switch?
The cigarette lighter essentially grounds a hot wire. It has a hot wire and a ground. When you push the lighter in, it grounds the hot wire and the power burns the coil in the lighter. The lighter acts like a circuit breaker and pops out before it burns your harness up.
The illustration on page 16 shows the use of two relays and putting a relay between your starter wire. |
Re: 'cigar lighter' kill switch?
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Relay #2 either (depending on its state) supplies power to the cig lighter or ground to the #1 relay. The 85 and 86 terminals are the coil terminals (control side of relay) for the relay to change state you need power to terminal 86 and 85 needs to be grounded. But if you look at the diagram, terminal 86 on relay #1 jumps directly to terminal 86 of relay #2, terminal 85 on relay #2 goes to ground and terminal 85 on relay #1 goes to terminal 87 on relay #2. In this configuration neither relay has power at anytime to the control circuit. The fix is to connect the jumper that goes from relay #1 to relay #2 (86 terminals) to terminal 30 on relay #1 that way when you turn the key to start, both relay control circuits get power, relay #2 is already grounded so it switches from supplying power to the cig lighter to providing ground to relay #1 (as long as cig circuit is complete (lighter pushed in)). Once relay #1 gets its ground and power at the same time, terminals 30 and 87 close and starter engages. |
Re: 'cigar lighter' kill switch?
This diagram shows the flaw (arrow)
http://i1176.photobucket.com/albums/...terdisable.jpg This one shows the correction. http://i1176.photobucket.com/albums/...erdisable2.jpg |
Re: 'cigar lighter' kill switch?
great explanation. Thanks for the clarity!
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Re: 'cigar lighter' kill switch?
Thank you fix-it!!! Worked perfectly after correcting the flaw. I'm over in the east bay what part of the bay are you from? Thanks again!!
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