Not a definitive answer for your question, but according to the title for my 1988 B350, my van's scale weight is 4176.
You have to remove the fuel tank.
Normally they still used dexron, and I would put a additve that is made to reduce friction because of the weight of your vehicle
youre stupid?
The engine computer is also the voltage regulator.
12 volts
this is called transmission fluid
Press the set buttons for hour and minute.
front driver side
It is important to have a diagram when making electrical changes to a car. A free electrical schematic for this cars ignition switch can be found in the manual, or a person can ask a tech at a shop to print one off.
It is on the Right side of the Heater Core Covering.
Under hood in power distribution center near battery