It's on the drivers side, between the battery and the right fender.
The main fuse box is located in the engine compartment. The window fuse is located under the dashboard by the steeringwheel. It is a 25 amp fuse.
If it is like my 99 Caravan it will be in the green wire about an inch or two after it leaves the main fuse box under the hood. If you look carefully on the green wire it does say fuse on it. It is built into the 10 guage wire. Once it has fried I recommend replacing it with a real fuseable link. You should be able to get it from your local automotive store.
5-6 hours
It is on the front of the crank shaft. It seals the oil at the crank pulley.
The radio fuse for a 2004 Dodge Durango is in the main fuse box. It is almost directly in the middle of the box, right beside of relay cb1.
The main fuse for the heater is located in the fuse box on top of the battery on a 2002 Dodge Ram 1500. There is another fuse for the heater in the cab fuse box located in the dash.
The main difference is in the length of the vehicle, the Grand Caravan (Long Wheel Base) being longer than the regular Caravan (Short Wheel Base). For example the 2001 to 2007 models, the SWB: is 113.3 in (2,878 mm) long and the LWB is 119.3 in (3,030 mm) long.
There is one on each end of the crankshaft. The front main seal is at the pulley and, while the rear main is at the transmission end.
The front main is behind the crank pulley. The rear main is behind the flexplate/flywheel. The trans has to be removed to access this one.
Yes, a blown main fuse will cut all electrical power to the vehicle.
You have your main fuse box under the hood. Then you have the junction box which is under the dash on the driver side.
The P1745 code in a Dodge Caravan is for high pressure in the transmission line. It is normally caused by a bad solenoid pack or a main regulator valve stuck in the valve body.