Try painless wiring. You can probably find them through Summit or classic industries.
Drivers side, under the dash.
in my '78 D100 Adventurer Texan SE, the wiper fuse is in the fuse box. The fuse box? In the glove compartment...left-hand side.
I went to the library and they have books on all years and makes of ford vans . I found the diagram for a 78 ford vans fuse box and then photo copied it.
interior light
Check your owners manual to find the layout for your fuses. There should be a diagram with each fuse and its location.
Mounted to the starter.
I'm not sure exactly where it is in a 78.....but in my 79 it's on the drivers side under the dash in the fuse box.
Check bulbs Check switch Check fuse most time the rever switch in the neutral safety switch is out of adjustment it is located on the trans driver side .
Standard trans, 78 mph.Automatic trans, 76 mph.
it will go 144 mph stock
Not very. It was one of the most popular years for the Trans Am. There may be some rare optioned T/As for that year, but the 78 Trans Am in and of itself is not a rare car.
Well over 400 hp.