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08-11-2009, 11:02 PM
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#1 |
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printing is my trade
Join Date: May 2009
Location: San Antonio, Texas
Posts: 349
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temp gauge questions
My temp gauge is stuck on hot and has since I got the truck. I suspect something with the gauge is bad not the sending unit. Does that sound right?
The temp gauge sending unit has only one wire connected is that correct? In a stock set-up is the gauge connected to the circuit board on the gauge cluster or are there supposed to be wires running up to it?
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Jojo's '70 stepside build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=344184 |
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08-11-2009, 11:21 PM
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#2 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: temp gauge questions
no wires. If you have a wire, it is probably to bypass a messed up circuit board.
If the guage drops when the key is off, and pegs when turned on, then odds are, it is the wire from the sending unit to the guage (through the harness) is grounded. Look at the green wire on the drivers side head, see if it is melted on the manifold. |
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08-11-2009, 11:30 PM
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#3 |
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printing is my trade
Join Date: May 2009
Location: San Antonio, Texas
Posts: 349
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Re: temp gauge questions
The gauge never drops with keys on or off. The wire was probably melted at one point and a repair was done because now there's a brown wire there and spliced half way up to the fire wall to the green wire.
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Jojo's '70 stepside build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=344184 |
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08-11-2009, 11:36 PM
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#4 |
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Back in the sticks
Join Date: Jan 2001
Location: Fordland, MO
Posts: 3,188
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Re: temp gauge questions
I bet you are right, it probably melted at one point. But like LHM said, the guage is connected to the printed ckt board on the back. There should also be a resistor under that in between the terminals. Is that all there?
__________________
1971 Cheyenne C-10 w/700R4 and Tuned Port Injection 1969 K5 Blazer w/Tuned Port 2010 2SS/RS Flaming Orange Camaro 2011 K1500 Suburban 2014 K1500 Pickup 2008 Nissan Altima? The wifes' hoopty |
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08-12-2009, 01:04 AM
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#5 |
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Inline 69
Join Date: Apr 2003
Location: valleysprings,california
Posts: 1,018
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Re: temp gauge questions
picture may help
jeff |
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08-12-2009, 02:29 AM
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#6 |
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Back in the sticks
Join Date: Jan 2001
Location: Fordland, MO
Posts: 3,188
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Re: temp gauge questions
Wow!! That pic is awesome!
__________________
1971 Cheyenne C-10 w/700R4 and Tuned Port Injection 1969 K5 Blazer w/Tuned Port 2010 2SS/RS Flaming Orange Camaro 2011 K1500 Suburban 2014 K1500 Pickup 2008 Nissan Altima? The wifes' hoopty |
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