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

Fans Always ON

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Old May 3, 2006 | 02:34 PM
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proteus999
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Default Fans Always ON

I just finished replacing Opti, wires, plugs, ign. module, water pump and temp sensor, ECM. This is a 95 lt1. Both fans come on at startup and never shut off. Ac off or on, no difference . Any good starting points?
Thanks
Dave
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Old May 3, 2006 | 03:52 PM
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That happened on my 85 when I reassembled the engine. The coolant temp sensor in the front of the intake was unplugged. A bad sensor maybe?
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Old May 3, 2006 | 04:16 PM
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Make sure you didn't accidently unplug the sensor on the high pressure side AC line. If it's un plugged the fans will run.
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