temperature gauge

1989 CHEVROLET ASTRO
6 CYL • 2WD • AUTOMATIC
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ASTROJUAN89
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I have a Astro van 1989 V6 4.3 just started gave a problem in the temperature gauge I change the temperature sensor 2 wires and sender sensor 1 green wire is mounted in the block. BUT nothing happens so what I need to due...please help me BIG thanks...


is my first time so I want try Free question free answer if is work I will donate next time....
Jan 28, 2011 at 8:18 PM
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JDL
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Usually the sending unit on the engine just provides resistance to ground. Take connector loose, use digital multimeter, key on, any voltage on that single wire? Could be issue with voltage-- gage-- wiring circuit, somewhere.
Mar 16, 2011 at 9:21 PM
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CHEVYGIRL2011
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please print out if there are more problems then just the temp gauge.
May 26, 2011 at 1:48 PM
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JDL
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Good point.
May 26, 2011 at 9:15 PM
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ASTROJUAN89
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thanks Mr JDL. for your response
so the green cable came from the sender unit sender is goint to the Computer or to the Gauge. please reply me ASAP.

May 26, 2011 at 9:26 PM
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JDL
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Yes, dark green wire, A2 is voltage in the diagram below. Goes hot when you turn on the key.
Image (Click to enlarge)
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May 26, 2011 at 10:10 PM
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ASTROJUAN89
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Thanks Mr JDL. I will check it Up Tomorrow. I let you Know if is fixed.....
May 27, 2011 at 3:12 AM
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CHEVYGIRL2011
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can u blow up the diagram a bit more please
May 27, 2011 at 12:18 PM
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ASTROJUAN89
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what u recomended me Please reply....
May 27, 2011 at 7:47 PM
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JDL
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The more I enlarge, the less I can capture of the diagram. I hope this is better?
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May 27, 2011 at 8:14 PM