555 trigger...
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555 trigger...
I am wiring up a 555 timer and was wondering what/which, if any circuit receives power only after the truck is turned to off. i.e. Something that only becomes powered and active when the key is turned to off. Also on the accessory delay, what wire color is it for the radio? Is it the main power wire? What color?? Thanks in advance!
Snowboard season cometh..
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From: Gulf Coast of Florida
Why not use it to kill power from within the column for the starter wire as well? No start is good, but no cranky... hehehe.... good luck pushing that truck for a bump-start!!!
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From: La La Land
A lot of thieves know that this (no crank at all) is a common strategy of an installed alarm, and can simply "hot wire" the starter solenoid. Takes seconds to restore the starter, and believe me, if they're stealing a SuperDuty, they already know how!
When I designed my own "disabler", I chose to interrupt the power to the IDM box, so that the instrument panel would appear perfectly normal, and it would crank normally(and make noise doing so), it just would not start.
One way is a sure sign that the solenoid wire needs to be jumpered, the other way needs a lot more diagnosis (and time) to get the truck running. YMMV.
But, we still don't know that "start disable" is the original poster's application for his 555, and kinda likely is not. I'm more inclined to think he wasn't to flash a light when the truck is off to simulate a theft deterrent system.
For those of you that have read my write-up on how I did mine (it's www.springerpop.net/F350/disabler.html ), you know there's already a place in our instrument panels that reads "THEFT" in red when backlit. Maybe that's what he wants to flash with the 555.
Pop
When I designed my own "disabler", I chose to interrupt the power to the IDM box, so that the instrument panel would appear perfectly normal, and it would crank normally(and make noise doing so), it just would not start.
One way is a sure sign that the solenoid wire needs to be jumpered, the other way needs a lot more diagnosis (and time) to get the truck running. YMMV.
But, we still don't know that "start disable" is the original poster's application for his 555, and kinda likely is not. I'm more inclined to think he wasn't to flash a light when the truck is off to simulate a theft deterrent system.
For those of you that have read my write-up on how I did mine (it's www.springerpop.net/F350/disabler.html ), you know there's already a place in our instrument panels that reads "THEFT" in red when backlit. Maybe that's what he wants to flash with the 555.
Pop
Last edited by SpringerPop; Aug 20, 2007 at 12:01 PM.
Snowboard season cometh..
Joined: Jan 2006
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From: Gulf Coast of Florida
Originally Posted by SpringerPop
A lot of thieves know that this (no crank at all) is a common strategy of an installed alarm, and can simply "hot wire" the starter solenoid. Takes seconds to restore the starter.
When I designed my own "disabler", I chose to interrupt the power to the IDM box, so that the instrument panel would appear perfectly normal, and it would crank normally(and make noise doing so), it just would not start.
One way is a sure sign that the solenoid wire needs to be jumpered, the other way needs a lot more diagnosis (and time) to get the truck running. YMMV.
But, we still don't know that "start disable" is the original poster's application for his 555, and kinda likely is not.
Pop
When I designed my own "disabler", I chose to interrupt the power to the IDM box, so that the instrument panel would appear perfectly normal, and it would crank normally(and make noise doing so), it just would not start.
One way is a sure sign that the solenoid wire needs to be jumpered, the other way needs a lot more diagnosis (and time) to get the truck running. YMMV.
But, we still don't know that "start disable" is the original poster's application for his 555, and kinda likely is not.
Pop
Last edited by papadelogan; Aug 20, 2007 at 11:55 AM. Reason: xx
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Snowboard season cometh..
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From: Gulf Coast of Florida
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From: New York
Originally Posted by powerstroke6ltr
I am wiring up a 555 timer and was wondering what/which, if any circuit receives power only after the truck is turned to off. i.e. Something that only becomes powered and active when the key is turned to off. Also on the accessory delay, what wire color is it for the radio? Is it the main power wire? What color?? Thanks in advance!
Snowboard season cometh..
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From: Gulf Coast of Florida
Originally Posted by Izzy351
Just get a DP Tuner. Position "0" is No-Start. Set it to 0 and when you stick the F5 switch in your pocket, the PCM is dead -- it ain't goin' no where except on a flat-bed.
Joe
Joe
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From: Rio Rico, AZ.
Originally Posted by papadelogan
Yeah, but my guy is such a sweetheart that it's unlikely he'd hurt you... unless you try to hurt me. Then, you might end up dead. Seriously.
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The 555 timer is actually for a security system... Good observation! I don't have a DP tuner in fear the tuner may shorten the trucks life span due to not being engineered for the extra power... I may just be crazy though... I never thought of doing a spdt relay...thanks for that....will do that definately. I would take my dog with me, but she'd have to stay in the truck all day, they don't allow dogs at work unfortunately, and she's my home's security system... haha, guess I need a new job and more dogs... On a side note, is the main 12v feed to the radio the same as the accessory delay feature? I have a backup camera that I want to only be active with the accessory delay, 20 min if my memory serves me right.... thanks for the help!
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Joined: Feb 2007
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From: Dallas-Ft. Worth
Originally Posted by powerstroke6ltr
The 555 timer is actually for a security system... Good observation! I don't have a DP tuner in fear the tuner may shorten the trucks life span due to not being engineered for the extra power... I may just be crazy though... ///SNIP///
To sum it up, I don't think Jody's tunes will kill your truck any sooner than stock unless you take it over the known limits.
Joe
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From: New York
I agree with Izzy. Your transmission won't last behind a stock motor without help. and at normal power levels your routine maintenance is what will dictate engine life. Keep the power at about a 75 bump, and do Blackstone oil reports every oil change to monitor your motor.