The connecter is located under the dash on the driver side.
No. You can not change to OBD 2.
With an OBD2 scan tool.
It is part of the fuel pump module in the tank.
A/C clutch relay circuit.
All fuses are in the box next to the battery under the hood.
A 1995 Dodge Ram is OBD one, not two. The connector is a different shape and is under the hood.
The codes are read with an OBD2 scanner.
The only fuse box is under the hood on the driver side by the battery.
No, a 1994 Dodge Van is OBD I. It uses a different scan tool and connector.
A 2000 Ram does not have EGR.
A 1994 Dodge Ram does not have a ballast resistor.
Some scanners can do OBDI and OBD II, but it is a different connector in a different location.