#$@%@ tach still don't work - JeepForum.com
 
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post #1 of 4 Old 11-27-2009, 04:04 PM Thread Starter
Downhole
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1989 YJ Wrangler 
 
Join Date: Oct 2009
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#[email protected]%@ tach still don't work

I just purchased a used tach for my 6 cyl, 89 YJ and am still not having any luck. I was reluctant to unplug the old tach before the new one arrived because of doing some damage somewhere "down there" and now that it is apart there is no juice to the plug except for the lights. Anyone have any ideas and could I run a wire direct from the distributor to the tach harness and if so which wire goes where?

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post #2 of 4 Old 11-28-2009, 08:00 AM
epalmer431
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1991 YJ Wrangler 
 
Join Date: Oct 2007
Location: Leesburg, Florida
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If both tachs are not working then most likely the problem is in your tach pick-up or wire harness. I would get a diagram of the wiring and start at the beginning and follow the path. It can be a pain but starting at the begining will allow you to find where the break in connection is.
I'm not sure on your year and model but my 91 tach receives the engine speed signal from the engine controller pin#43.

Good Luck

Eric S Palmer
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post #3 of 4 Old 11-28-2009, 09:04 AM
dadstoy
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1995 YJ Wrangler 
 
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Are the rest of your guages working? Fuse maybe?
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post #4 of 4 Old 11-28-2009, 06:28 PM
timatoe
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1990 YJ Wrangler 
 
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Location: Grass Valley
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Are you still running the stock coil?

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