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Confused Tach

BuPa

New Member
Joined
January 26, 2002
Messages
8
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0
City, State
Central Point, Oregon
Year, Model & Trim Level
1992 Explorer XLT
Hi everyone,
Can we go back to the tach question without the transfer case motor issue.
A few months ago, my 92 XLT with a factory tach started to be a little mixed
up. Sometimes it would work and sometimes it would sit at 3500 until the key
was turned off. Now as soon as the key is in the on position it jumps to 3500
and stays there. If I am doing 65 or 70 and boot it to pass, it will go to 4000.
Any ideas? Also what is the EDIS?:confused:
Sure could use some help here!!!
 






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