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no tach

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Old Jan 26, 2010 | 03:09 PM
  #1  
1bigjoe's Avatar
1bigjoe
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From: dirty jerzy
no tach

1990 7.3 -e4od, no tach, checked fuse in the #18 position 15 amp is good
changed the sensor on the gear cover, cleaned off the sensor at the differencial, cleaned off the connection on the side of the trans. now the only thing i can think of is maybe the tach in the cluster is just not working i'm i missing somthing?
 
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Old Jan 26, 2010 | 04:44 PM
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IDIDieselJohn
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From: Ottawa, Ontario
Could be a bad ground.

If your tach doesn't work, your E4OD must not shift smoothlly all the time?
 
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Old Jan 26, 2010 | 09:08 PM
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From: dirty jerzy
it doesn't shift right, what is grounded that i should check?
 
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