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93 Es300 Tachometer Gauge Not Working...

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the tach gauge doesnt move, any suggestions why?

No signal from the ignitor, or whatever it's called that it gets it's pulse from, or as in my case, a problem in the cluster itself. I just got the car 3 days ago (93 es300) from a family that had a high school student 'practising' his auto skills by trying to change the cluster backlight bulbs. In the re-assembly process, he forgot 1 of the 3 screws that looks like they just hold he circuit board to the housing. Actually, they are also electrical contacts, the missing 1 was for the tach. I luckily had a same size screw on hand, which brought it back to life. You might check this, a loose screw, especially if anyone has messed with the circuit board in the cluster. Do a search on instrument needle replacement here, several good how-to's on disassembly/reassembly.

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