The illumination of the dash during the daytime is at full brightness, normal. When the head lamps and such are turned on the brightness of the dash illumination is overridden by the dimmer. Turn the dimmer up. Usually rotation of the headlight knob will do the trick. Now if you have an electronic dimmer then it may have failed and will require replacement. Obviously the illumination works so the issue is the night time configuration of the lighting through the dimmer.
No, there is no wiring diagram for radio for the 1989 chevy capric on the internet.
No
yes
Theres a spot that says "Radio" under the steering wheel with the rest of the fuses.
Pioneer's touch-screen AVIC-X920BT
It is usually wired in with the radio or the courtesy/dome lights.
Make sure the bulbs are inserted correctly, if o/k look for wiring issues. A common cause is a recent trailer harness installation or repair.
1989 chevy 5.7
The 1989 Chevy Caprice was 212.2 inches long (5,390 mm).
There is no cabin filter on a 1989 Chevy Silverado.
Radio Corbeau - 1989 is rated/received certificates of: Iceland:14
Radio Monique ended in 1989.