dashboard, driver side
In a 89 Chevy caprice, your fuse box is located on the driver side under the emergency brake and trunk release switch.
On an 89' the VIN is located either on the right strut mount on the front under the hood, or the drivers side corner windshield.
Yes
The 305 was standard in an 89 Caprice Classic, so the answer is obviously yes.
yes
Yes
r12
A Caprice steering column can be replaced by another as long as it matches. It if comes from another Caprice of that year, it will fit properly.
to the best of my knowledge when i did stereo work it should be located under the dash near the driver side kick panel
No, it's too wide.
Yes
Th700-r4