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hdj81 Tachometer issues and where to begin troubleshooting.


 
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veiloctane
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Joined: 11 Sep 2014
Posts: 1
Location: Canada
PostPosted: Thu Sep 11, 2014 4:07    Post subject: hdj81 Tachometer issues and where to begin troubleshooting. Reply with quote
Hi guys,
I have a issue here with my 1991 HDJ81 with the Tachometer.
all was fine and normal until just a couple of days ago.

here is a description of the issues that I am having.

when the transmission is in drive the Tach reads 0rpm While driving at any speed the tach immediately jumps to 3000rpm

When in Park the Tach reads 2000-2200rpm
when in neutral Tach reads 2000-2200rpm
gears D,3,2,L read 0rpm and jumps to 3000rpm as soon as I touch the pedal.


what would cause this and how to start troubleshooting?
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PostPosted: Thu Sep 11, 2014 4:07    Post subject: Google Ads keep this community free to join!

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joinerman
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Joined: 11 Sep 2005
Posts: 2200
Location: Here & there
PostPosted: Thu Sep 11, 2014 20:19    Post subject: Reply with quote
Make sure the contacts on the back of the alternater are really clean and tight
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Dave 2000
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Joined: 24 Jan 2009
Posts: 293
Location: Spain
PostPosted: Sat Dec 06, 2014 19:22    Post subject: Reply with quote
How did you get on sorting the rev counter?

regards

Dave
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Remember as an individual you are unique........................ just like everyone else.
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