in the engine bay just ahead of the battery, there looks like a small (cigarette box sized) unit, with a flashing red led on it.

what is it? have tried google to no effect
thanks

 

Picture? and did you buy the car new or used? This sound like any Aftermarket accessory.
It could be an Alarm or GPS tracking unit.

 

no my wife got it from new, and no other add-ons from anyone.

06 caravan if that helps, and yes' I'll try and get a picture to-night.
its got a wiring harness going to it, looks original, when I pull thje plu light goes out.

recently had a 2309 on the MIL (spark plug lead) and waiting for that t go out, not sure if thats related.

thankxs for the prompt reply though

 

Hey, please see the attached screen shots.


It looks like my wife (from new) "won" a free rust treatment from Dodge, and they fitted a "duh daaaaa" a rust protection device, along with coating of underbody rust preventer.

The units light was flashing so I don't know if that ment it was working, but the actual connector was "RUSTED", oh I laughed so frigging hard.

An anti-rust device which rusted up !

The body is great, but thats more to the PROPER coating that this snake oil

 

in the first picture the highlighted bit is where a terminal wire snapped off, and the little sun drawing is where the RED LED was flashing

 

I can tell you that is not factory. And its called a rust production device. Thats a new one for me. Never would have guess that one. Thank you for the information.

 

Snake Oil?

 

@ $70 a pop just a few ebay muppets a day is $4000 extra per month for something costing $1, one born somewhere in the world every second !

 

They are trying to mimmic the devices they use on ships (i think there's a clip on youtube) that use anode/cathode systems that flow static electricity produced by moving through salt water and cut down on the salt adhesion/corrosion. (short bus explanation)

I did see a couple of these on travelers' cars from up north. They were still pretty rusty, but I had nothing to compare it to.

Cathodic protection.