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Topic # 165783 20-Feb-2015 14:46
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I have a 1997 Primera.  For the last couple of weeks I have noticed the tachometer needle bouncing erratically.  This is an intermittent issues.  It started happening on cold morning only, but is now happening during the day as well.  No other symptoms.

My thoughts are that this is likely be the voltage regulator? 


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  Reply # 1243114 20-Feb-2015 15:18
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Happens on a friends Pulsar. Settles down after about 5 minutes.


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  Reply # 1243119 20-Feb-2015 15:23
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A quick look at the nz primera/pulsar car club forums suggests it is sometimes a dry solder joint in the instrument panel.  Maybe worth trying before replacing it.

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  Reply # 1243159 20-Feb-2015 16:00
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Similar issue to my '92 Pulsar - (carefully) pulled apart the instrument/cluster panel to check for any dodgy solder joints near the tach... Couldn't see anything that looked suspect, but re-soldered all the joints anyway.
I might have bridged a connection or two as now the tach is very smooth in operation, but at least it isn't jumping around all over the place.


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  Reply # 1244776 23-Feb-2015 13:38
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Iv'e seen it on Pulsars, primers and bluebirds. Common Nissan issue, if its not to bad just put up with it otherwise get your wallet out. 

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  Reply # 1245678 24-Feb-2015 15:52
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I had the same issue on my Mazda Lantis, it turned out to be a faulty part (the thing that sends the info to the dial (cars are not my strongest suit :-)))

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