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My factory Tac stopped working in my 69. I've never played with one of these. Is there anything inparticular I should check to get me stared in the trouble shooting process.

Thanks Scott
 

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This is typically an easy fix.

Yank the tach out of the cluster and disassemble it carefully. Inside you'll find where the wires connect up to the tach via soldered connections. It's right there where the solders typically crack. Just heat em up, add a bit of solder and reassemble.

Took me about 45 minutes from start to finish for mine...
 

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tach repair

Another prob can be that the magnet becomes detached causing the needle to become stuck.If the needle is stuck slightly move the magnets to realign.When the needle is free sqeeze some glue or wrap in tape to hold together the magnets in place and waa laa Good for another 30 years I also repair clocks :)
 
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