Next to the flux capaciter, in models 80-88 Ninety and up it's under the gas tank.
Where is fuel filter
driver side underhood
The horn relay on the 1993 GMC Sierra is located on the fuse box. The horn relay is a rectangular shaped plug next to two larger round plugs.
It's not under the hood on drivers side, the battery is and that's it no fuel relay.
check your horn fuse not sure why but they are interconnected
its a relay in the tranny if you drop the trany pan you can see them
It does not take freon. The 1995 GMC Vandura uses the new R134a.
there is an access panel in the back of the glove box.
The fuel pump relay in located on the firewall (as you are looking under the hood)on the left hand side near the center (it's the funny looking oval shaped relay)
No, the GMC Vandura is a van. If you have the Starcraft conversion, the van is technically considered a station wagon for insurance purposes (much cheaper).
The ECM on the Vandura 2500 is under the Driver's seat.
The 91 Vandura G2500 Instrument Panel Cluster Relay is located on the dashboard.