Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

Lost Tac display

Old Jul 31, 2012 | 04:43 PM
  #1  
ed cavender's Avatar
Thread Starter
|
Diesel Fan
Joined: Mar 2009
Posts: 33
Likes: 0
From: Nashville TN
Default Lost Tac display

my 94 6.5 tac has been operating irratically now it has completely quit. anyone have wireing info?
 
Reply
Old Aug 1, 2012 | 11:54 AM
  #2  
cviola2005's Avatar
Diesel Enthusiast
Joined: Apr 2012
Posts: 312
Likes: 18
From: Clarkrange, TN
Default

I believe the tach is fed signal from the alternator. Thats all I know.
 
Reply
Old Aug 2, 2012 | 11:30 PM
  #3  
ed cavender's Avatar
Thread Starter
|
Diesel Fan
Joined: Mar 2009
Posts: 33
Likes: 0
From: Nashville TN
Default cant find anything wrong

all alternator wiring seams to b ok
anyone else have a clue?
 
Reply
Old Aug 3, 2012 | 05:10 AM
  #4  
Mayhem's Avatar
Diesel Wrench
Joined: Jun 2012
Posts: 1,258
Likes: 128
From: Middle of nowhere Tn
Default

Could be either somthing internal on the altenator or maybe the connection tho the back of the instrument cluster???
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Chris Herron
12 Valve 2nd Gen Dodge Cummins 94-98
3
Sep 2, 2015 08:02 PM
bbilt
5.9L Rotary Performance
2
May 29, 2015 07:05 PM
alex74708
Ford Powerstroke 03-07 6.0L
0
Dec 18, 2014 07:54 PM
Diesel Bombers
General Diesel Related
0
Dec 3, 2014 08:10 AM
4estlee
Diesel In Distress - Support Ticket
0
Oct 7, 2014 07:47 PM


Thread Tools
Search this Thread

All times are GMT -5. The time now is 04:10 PM.