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09-22-2003, 05:32 PM
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#1 |
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Registered User
Join Date: Sep 2002
Location: Texas
Posts: 110
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Temperature Gauge?
Just wanted to ask before I dive into this. My temp gauge has not been working for a couple of months. All of a sudden, when I started the truck yesterday, it went crazy....kept on going back and forth, and then stops for a little while and then starts again. Does anyone have an idea of what may be wrong w/it? Is there something specific I need to replace, or should I just get a new temp gauge? Thanks
Joe 
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1971 Chevy Longbed Fleetside Chevrolet All The Way! |
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09-22-2003, 05:49 PM
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#2 |
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Too many is never enough!
Join Date: May 2003
Location: Idaho Falls, ID
Posts: 455
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temp
Sounds like the wire is shorting out. Check the routing of the wire along the valve cover and block. While it's covered (stock) with a heat sleave, it usually deteriorates over time. More often than not the wire is quite brittle and broken in a few places. If it's an original wire, replace the wire from where it comes out of the firewall gutter harness to the sending unit and see if this solves your problem before you start looking for a new gauge or sending unit.
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Jason 1968 K10 SWB Fleetside 1971 K2500 GMC LWB 1968 K20 (later frame, donor body) 1972 C20 LWB parts truck 1993 K2500 Suburban, tow rig, 454, 4L80E NEW!! 18' Siem's car hauler 2004 Honda Odyssey (family man!) |
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09-22-2003, 11:17 PM
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#3 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Probably the wire like said before. Look on your manifold on the drivers side for a melted green wire.
It is grounding out every once ina awhile (like on speed bumps) and evertime it grounds, the guage will peg out. |
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09-23-2003, 09:02 AM
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#4 |
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Registered User
Join Date: Sep 2002
Location: Texas
Posts: 110
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Checked it yesterday and it was fine, was getting power and everything. Today I am going to replace the temp sensor on the block to see if that is it.....
Thanks Joe
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1971 Chevy Longbed Fleetside Chevrolet All The Way! |
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09-23-2003, 12:47 PM
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#5 |
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Registered User
Join Date: Apr 2003
Location: NB
Posts: 3,367
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Sounds like the wire is grounding out!
 
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1968 Chevy C10 307 3ott fleetside 1967 Chevy C/10 V8, 3spd, fleetside lwb.Sold 1967 Chev C/10 step, 383, M21. SOLD |
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09-23-2003, 01:16 PM
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Black 72 Chevy
Join Date: May 2002
Location: Los Angeles, California
Posts: 662
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Ground the green wire and see if it good to the H and stays there. Or just disconnect it from the temp sensor and see if continues.
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72 Chevy, SWB, 350engine, TH400 |
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