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try this if it don’t work you can easily return it at kohls.

Here is basically what you have if you want to know what other end looks like... also ps be careful there is a spring in it so don't lose it when replacing fuse... https://www.amazon.com/Blue-Sea-Systems-Panel-Holder/dp/B000XBB8YI/ref=asc_df_B000XBB8YI/?tag=hyprod-20&linkCode=df0&hvadid=312712394155&hvpos=&hvnetw=g&hvrand=16435970639154126145&hvpone=&hvptwo=&hvqmt=&hvdev=m...

Oh well regular multimeters are pretty cheap. I mean Amazon Choice is $12

https://www.amazon.com/Battery-Terminal-JETTA-1999-2004-1J0937550A/dp/B00LIUNX0K

This is the part I am talking about, they are known to melt often and even go on fire. It is a VW thing haha.

So what this IS, is a coaxial plug. It can be used in homes for the cable signal, but it’s also commonly used as a connector plug for some antenna. The plug is not specific to any use case, it is generic.

However, given the context of this being in a car, and there being different plugs in use for the AM/FM/DAB signals, this is likely something aftermarket. The CB radio mentioned by the other commenters is likely. The other end of this wire will probably end in an antenna like this: https://www.amazon.com/Antenna-Handheld-Connector-Equipped-LUITON/dp/B07T7LZH3C

There’s usually clips that go on the cover itself. Sometimes they get stuck in the hole that they go in. For example, in the picture, the top left tab would have a clip attached to it on the little hole. They look like this: https://www.amazon.com/ihave-Clips-Instrument-Console-Accord/dp/B07Q9HVVJ5

Find some that are high weight (400g/m² or higher is preferred) and higher in polyamide than the common 20%. 30% is preferred although they can be difficult to find so 25% is already a huge improvement.

My recommendation, although the price is steep for only a couple of 'em:

https://www.amazon.com/RAG-COMPANY-Professional-Microfiber-Detailing/dp/B00GXRG64I?th=1

These are made of a 70/30% blend, and are 500g/m², which is perfect for drying and buffing out.

something of a mechanic myself

I ordered this head unit https://www.amazon.com/dp/B08XX7SBVF/ref=cm_sw_r_tw_api_glt_i_3DDJ8CFRQNENESN56N0E?_encoding=UTF8&psc=1 #Amazon which says it's good for 2012-2017 Focus' for my 2012 Ford Focus SE, I what I believe to be all the essential wiring plugged in but when I turn the car on, nothing. Lock and Blinkers buttons still work just not the screen. Any idea what I could be doing wrong

That head unit does support backup cameras so just use that, all you would have to do is wire one up. If you wanted to go wireless you could do that as well by using something like this:

Wireless Transmitters

Then you could simply get a camera such as this:

Camera

That way you could not have wires running all the way to the back of the car you can just do local wiring at the head unit and rear of the car.

Well if you're open to doing it yourself or know someone that is good at working on cars you can always go this route:

PCV Valve

May save you some money. :)

https://smile.amazon.co.uk/dp/B01N30RQNH/ref=cm_sw_r_cp_apa_fabc_DUVbGbN5YF9TZ?_encoding=UTF8&psc=1 get one of these, an OBD2, with an app like Torque Pro

It'll give you information on any errors. The check engine like shouldn't disappear on its own, even if the problem is fixed as it needs to be cleared (which you can also do with an OBD2 instead of paying a mechanic) it sounds like it's probably the service light.

I'm not a mechanic. So, make sure to do some more research or find a good mechanic to help you find the issue with your coolant leak.

But from what I've seen on YouTube and the overall reliability of the Dodge Grand Caravan, I'm thinking that the head gasket may be blown. Again, I'm not a mechanic. So, find a good mechanic to confirm if your head gasket is blown. You did say that there was no obvious leak, so no leaks from things like radiator hoses, the radiator, heater core, or anything like that, right?

A few things to keep in mind, you can actually test out if the head gasket is leaking or not. You can do to Amazon and get a head gasket block leak test and follow the instructions that go with it. And I'd say if your exhaust is letting out white smoke or steam, you'd probably consider trying the engine block tester to find out if the head gasket is blown.

Scotty Kilmer's Video: https://youtu.be/v0U8Iyf0kk4

Engine Block Tester: https://smile.amazon.com/dp/B06VVBSFTF/ref=cm_sw_r_cp_apa_i_AxZnFbRCRR451

Again, I'm not a mechanic, but based the information provided, a blown head gasket is a possibility. You didn't mention mileage, but a blown head gasket pops up in my mind whenever coolant disappears without a visible leak.

And my personal opinion, but with a 10-year-old Dodge Grand Caravan, I wouldn't put money into getting a new head gasket. That's not an easy job for a lot of people, and it's going to cause a pretty penny. And with the money you could spend on a new head gasket, you could actually get a decent used car with that money.

I hope this information helps! Remember to do more research on blown head gaskets, try the block tester to test a blown head gasket, or try to find a good mechanic to see if the head gasket is blown.

The filter is replaceable rather than cleanable. It unscrews from the fuel line and a new one is just bolted back in place. If you are in the rust belt it might be moderately difficult, but if things go well it's a 15 minute job that needs only simple hand tools (a few metric box end wrenches). This filter should fit, though you can grab one from the parts store if you want to do it asap. https://www.amazon.com/WIX-Filters-Complete-Line-Filter/dp/B000C9XZJC/ref=au_as_r?_encoding=UTF8&Make=Toyota%7C76&Model=4Runner%7C1005&Year=1999%7C1999&ie=UTF8&n=15684181&s=automotive&vehicleId=14&vehicleType=automotive

Vacuum leaks can be tested with fancy equipment, but the majority can be found by simply listening for air sucking sounds and looking for cracks (intake boot and vacuum lines). If you want to get a bit more effective you can spray vacuum lines with starting fluid and see if it changes the engine idle, but that obviously only works if the truck is running. As bad as your symptoms are you would probably be looking for a huge tear in your intake boot or something else substantial.

Where are you located?

assuming you have a factory stereo now, you can buy this to get a regular stereo in it. As for the display, that I think would require a custom setup and not be a simple task.

~~alrighty, switch wise, are there switches that are rated for specific gauges?~~

So after some googling, I found this. Would this work to run from positive of main battery, to switch, to positive of second battery?