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Thread: Aux Power for '03 Caravan ???

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    Aux Power for '03 Caravan ???

    Installing aftermarket Fog Lights on the wife's '03 Dodge Caravan .... want them to run off the ignition power, no relay needed for these lights, want them to switch off with key regardless of the switch.

    Any suggestions for easy access ???
    Newmarket Swamper


    OF4WD Member # 5246

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    I will dig up a diagram for you tomorrow. Be careful with the later model Caravans. I'm not certain on yours, but we're starting to see 5V feeds at the ignition switches... not 12. And hooking the feed to a lamp could blow a ECU driver.
    ....-Noltz
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    Keep it simple guys ....

    I am thinking the Power Accessory plug on the console .... there must be a 12v line in the back of that I can tap into ?

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    Sure, you can do that. It'll be fused for 10 or 15A (likely 10) though so when the fogs are on you can't plug in anything like a laptop or inverter.


    Simple diagram of what IGFJ said. It's not hard, and is the safest way as it isolates your fog circuit from the rest of the vehicle. Picture has no center pin, so if the relay you buy has one, just ignore it. With this setup, if something bad happens, it doesn't affect the rest of the car.

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    Thanks for the diagram Noltz ... nice and easy. I went and grabbed a Hayne's from Partsource this morning (been meaning to do it for a while now anyways).

    The accessory plug (Ciggy Lighter outlet) is 12v and 20a and runs only when in the "acc" or when engine running .... the fog lights are the previous generation to these: Click here for Link to CanTire Page and doesn't come with a relay. I hooked them up without the relay for now .... will change it over later.

    Thanks guys !

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    Quote Originally Posted by igotafrigginjeep View Post
    If you do this, just be sure the fuse for the socket is in the right place...with most Chrysler Vehicles you have the option of having lighter sockets powered constant or with ignition only...

    It is a simple movement of a fuse under the hood that controls the change...
    But in the case of the caravan, they had 2 sockets( one constant, one keyed) then they cheapened out and took one out but left the wiring there in the harness.

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