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10-06-2003, 03:36 PM
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#1 |
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Registered User
Join Date: Jun 2003
Location: Hickory, North Carolina
Posts: 340
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tach acting funny??
For some reason today i noticed that the tach is acting funny. There is also a sqeeking sound coming from under the hood. Maybe one of the pulleys or something. But my tach seems to be extra sensitive. Also when idleing the tach sits at 1100 rpms instead of 600. The truck is idleing normal.
any ideas??
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1972 k10 4x4 LWB (Sold in 2005  )
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10-06-2003, 04:00 PM
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#2 |
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Senior Member
Join Date: Aug 2002
Location: Valley Center KS
Posts: 3,525
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Could be a grounding problem
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10-06-2003, 04:06 PM
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#3 |
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Registered User
Join Date: Jun 2003
Location: Hickory, North Carolina
Posts: 340
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thanks ackattack. Where would the ground be? Should i just pull the dash and check?
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1972 k10 4x4 LWB (Sold in 2005 )
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10-06-2003, 04:20 PM
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#4 |
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Formerly yellow72custom
Join Date: May 2001
Location: Austin, TX
Posts: 7,531
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Is this a factory tach?
I have had bad insturment cluster grounds do lots of really weird things....i have ended up just running a wire from one of the screws on the back of my insturment cluster to a metal part on my dash board.......
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'72 Chevy C10 Mild 350/TH350/3.07. Ochre/White. Old high school ride. '70 GMC C2500 '62 327 4bbl/SM465/4.56-geared Dana 60. White/White. Project or parts truck. '97 Saturn SL DD. 1.9/5-speed. 40+ highway mpg |
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10-06-2003, 04:38 PM
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#5 |
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Registered User
Join Date: Jun 2003
Location: Hickory, North Carolina
Posts: 340
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yeah it is factory. I am assuming that it is a bad ground. I will have to tear it apart this coming weekend.
thanks yall
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1972 k10 4x4 LWB (Sold in 2005 )
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