Can you set an AccessPort to turn on and off with the ignition switch?
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This is a discussion on Can you set an AccessPort to turn on and off with the ignition switch? within the Tuning: Electronic Engine Management forums, part of the Tech & Modifying & General Repairs category; I'd like to use my AccessPort for some of its gauge functions (boost gauge, fuel economy tracker, etc). I mounted ...

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    Registered User Monk_Knight's Avatar
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    Can you set an AccessPort to turn on and off with the ignition switch?

    I'd like to use my AccessPort for some of its gauge functions (boost gauge, fuel economy tracker, etc). I mounted it up pretty easily to the side of the wheel, but it seems like as long as it is plugged into the car it stays on. Is there a setting or something that can make so it only turns on when the car is on? Or do I need to plug and unplug it whenever I want to use it?

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    Plug and unplug. The OBD will always have power running to it. Rarely will it not. Maybe on some older cars when OBDII came out you have to supply power, but now a days it is what it is.

    Set it up and make it easy for yourself. Maybe leave the cable to Port plugged in then when you hop in your car just hook cable up to AP. You'll figure out something to work for ya.

    ---Joe---

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    Registered User SPT2011's Avatar
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    you can wire a switch to just flip it on and off but probably not worth it and to much money
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    Registered User MakeItRoar's Avatar
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    I'm getting annoyed by the same problem. I usually just unplug it under the wheel, and dangle it over the ignition so I remember to plug it back in. There has to be SOMEONE who's figured out how to do something
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    The Fruit mangostick's Avatar
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    figure out what pin its receiving power on.. then find what wire,tap the circuit and put a relay in place that's ignition triggered.

    granted this would require cutting wires but its probably the easiest way to do what you guys want to do.

    edit: pays to check out wiring diagrams first though.. always consult the schematics vs going in blind.
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    Moderator rage-wrx's Avatar
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    I am also looking for a solution to this.The only remedy would be ,like SPT2011 said,to add a switch,or like Shawn says through a relay,but I can't bring myself to splice the OBD-II cable because I won't be able to sell the AP ,if I want to later.

    + apparently leaving the AP on all the time causes the screen to burn in.
    Last edited by rage-wrx; 07-24-2011 at 10:40 PM.
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    The Fruit mangostick's Avatar
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    why tap the ap harness when you can tap the one in the car? ... this isn't rocket science guys.. relays are your friends.
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    OMG WTF MainFrame's Avatar
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    Quote Originally Posted by mangostick View Post
    why tap the ap harness when you can tap the one in the car? ... this isn't rocket science guys.. relays are your friends.

    ^This.. or simply wire in a switch. Either way it will take less than $3 spent at RadioShack and about five minutes worth of work.


    I'm getting ready to wire in a stealthy switch that will kill illumination to all of my gauges.

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    Registered User SPT2011's Avatar
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    Yes it will work. I keep mine plugged in under the steering wheel and keep it mounted next to my head unit with velcro. I unplug it from the ap not from under the steering wheel.
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    Registered User fratecat's Avatar
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    Quote Originally Posted by MainFrame View Post
    ^This.. or simply wire in a switch. Either way it will take less than $3 spent at RadioShack and about five minutes worth of work.


    I'm getting ready to wire in a stealthy switch that will kill illumination to all of my gauges.

    Here are the Videos for the AccessPort Wiring and Switch Operations.

    The entire job cost me $9.99 for the AP mount and $7.99 for the switch. Wires and **** are cheap...

    Wiring Layout Video: How to hook up Power Switch for Cobb AccessPort (Wiring) Part 1/2 - YouTube

    Switch operation in car Video: How to AccessPort power switch Part 2/2 - YouTube

    Hope this clears this up guys.

    Its not hard at all! And the convenience is totally worth it.

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