Cruise control doesn't work in 88 accord. The light works on the dash, but the buttons on the steering wheel won't work.

Hi!!

Let's start by checking the cruise control throttle linkage cable, just follow the cable coming from the cruise control servo to the throttle linkage, were it connects. The plastic clip at the end of the cable gets britle and over time, it brakes.

Check fuse
Check for loose conections and broken wires.
The cruise control system is operated by vacuum, check vacuum hoses for cracks, loose connections and obvious leaks.

Due to the complexity of the cruise control system, this is about all you can do to fix the problem.

If you can't detect the problem, take the vehicle to an authorized service shop for diagnostic and repair.

Good Luck!!!!