My 86' SEC has done this since I bought it and it is really starting to annoy me. When turning the steering wheel, it makes a clicking sound... About four clicks from Left to right, full lock. It sounds like its literally coming from the steering column itself, close to the steering wheel.
I thought it could be the turn signal mechanism, since my turn signals don't quite work right...they self-cancel properly, but the lights in the cluster are weird, the left signal always works, but doesn't make the "clicking" sound as it flashes on and off when the lights are on. The right exterior signal lights always work, but the dash light doesn't flash, I also don't hear the "clicking" sound. And when I turn the lights on, the right turn indicator light in the cluster just stays on constantly.

Could this be attributed to a broken turn signal mechanism in the steering column?