The fusible link for the headlights on an Astro van is located in the fuse box under the dash just to the right of the steering wheel. There is also a fuse location on top of the battery in the engine compartment.
I did an intake gasket on a 2004 astro awd 4 month ago. It not that hard but you got to remove everything around of the engine compartment. It took me maybe 5 hours. U got to be a little flex to work with it . GOod luck
The heater control valve is mounted on the engine side of the heater and evaporator box which is located on the passenger side of the engine compartment. It will have at least three hoses connected to it and one vacuum line. It kind of hides underneath the a/c accumulator.
My 1994 Astro EXT AWD has a compartment located inside the vehicle at the rear right corner. Open the rear doors and look at the right side of the cargo area just behind the wheel well bump. There is a plastic knob that can be unscrewed to remove the jack compartment cover. It is labeled.
The fuse box in the cabin under the Dashboard in front of the drivers seat, some models it is in a door in the dash itself. Depending on the circuit there are fuses in the engine compartment driver's side by the Master cylinder ,there are also relays in there.
A V8 engine is put in a Chevy Astro van by removing the existing engine and removing all unused accessories. The engine can then be put into place, bolted to the transmission, and everything hooked up.
take off engine compartment cover the back two plugs on each side are reachable by hand but the front two plugs on each side can be reached with extensions through the tire wheel wells when removed hope this what you wanted to know Darrel