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1988 gl wagon tach not working


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OK, so it worked before my daughter had the timing belts changed and now, it doesn't...anyone have any ideas? On a similar note, the voltmeter works intermittently even with the new alt in it; jumps up and down but alt is putting out good current...getting a little frustrated with her beasty...anyone want a rust free dual range ea82?!? Last question, fuel guage isn't working...checked the sender and it looks like new, no crud or corrosion...thoughts?

Edited by methusalah
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Loose connection on the back of the instrument cluster? I have some similar issues on a 90 Legacy, gauges drop off, come back on... that's where I was heading to check mine since none of the systems have anything in common other than that connection at the cluster itself.

mine is the tach and fuel gauge.

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The tachometer should tie to the minus side of the ignition coil on a yellow wire. Check that connection.

 

For the fuel gauge problem check to see if there is any voltage getting to the black/yellow wire at the sensor with the ignition switch ON. If not, then there is a bad connection to the gauge.

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