C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

temp Gauge Sensor

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Old Feb 4, 2010 | 12:38 PM
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OK- My Temp Gauge Sendor only reads Lo. It seems the green wire comes up from below the exhasut manifold and ends just above the exhaust manifold. I can not seem to find the other end of the wire. Does anyone know where it should connect to?
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Old Feb 4, 2010 | 02:06 PM
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It helps to let use know what year car you have....If your talking about the wire that comes up on the passenger side, it hooks to the sender between spark plugs 6 and 8.(the 2 rear plugs).WW

Last edited by WW7; Feb 4, 2010 at 02:08 PM.
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Old Feb 4, 2010 | 02:11 PM
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LOL it is an 87 - I do not see a plug . It look slike this engine was rebuilt and maybe the never put one in? there is a Hex Screw in the side of the head that looks like it could be removwed to install a sensor.
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Old Feb 4, 2010 | 03:01 PM
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Look on the driver's side head between 1 & 3 maybe they mixed up the heads when they went back on.

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Old Feb 4, 2010 | 06:08 PM
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Originally Posted by engle1147
Look on the driver's side head between 1 & 3 maybe they mixed up the heads when they went back on.
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Old Feb 4, 2010 | 09:18 PM
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There is a Sensor on the drivers side between the front two plugs with a green wire going into the harness bhy the alt. Wierd part is if I ground the loose wire on the other side it casues the temp gauge to read 299 degrees.
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Old Feb 4, 2010 | 10:58 PM
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Originally Posted by jmcquade
Wierd part is if I ground the loose wire on the other side it casues the temp gauge to read 299 degrees.
That's a good thing, confirms that the circuit is intact. Buy the proper sender and stick it in the passenger side head.
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