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Showing results for tags '964 speedo'.
I am trying to chase down the latest oddity going on with my 1991 c2 automatic. Speedo works fine at first, then needle bounces and drops completely. The speedo will come back intermittently when hitting bumps. Some times even comes back if I tap on the gauge glass. (kinda like you see in the old WW2 movies in the cockpits) The spoiler can be raised and lowered manually using the center console switch. The problem started shortly after I had the car washed, high pressure jets on the wheels are probably the culprit. After the carwash, I had the brake warning light for a bit, the one depic