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

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Old Feb 14, 2011 | 11:23 AM
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on my 91 the radiator fans does not come on, what should I check ? is there any switch or relay or something that I could check ?

thanks,
Dan
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Old Feb 14, 2011 | 06:26 PM
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Originally Posted by ndanl
my radiator fans does not come on,
At what temp don't they come on?

Do both gauges show same temp?
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Old Feb 15, 2011 | 02:04 AM
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Originally Posted by rodj
At what temp don't they come on?

Do both gauges show same temp?
they dont go on at all, one gauge show almost 260, which one is the seccond gauge ?
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Old Feb 15, 2011 | 01:56 PM
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Originally Posted by ndanl
they dont go on at all, one gauge show almost 260, which one is the seccond gauge ?
Analog gauge on dash, digital gauge displayed via "gauges" on DIC.
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Old Feb 15, 2011 | 02:02 PM
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Originally Posted by sailorsteve
Analog gauge on dash, digital gauge displayed via "gauges" on DIC.
oh well, how to I make it display the temp on the digital ?
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Old Feb 15, 2011 | 02:15 PM
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Originally Posted by ndanl
oh well, how to I make it display the temp on the digital ?
With engine running, press "gauges" button on upper right of dash. Each time you press and release that button, the digital display next to the fuel gauge will cycle between engine oil temp, engine coolant temp, and battery voltage.
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Old Feb 15, 2011 | 02:31 PM
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my 91 does not have the digital readouts.

the fans come on ay 238 degrees. Its damn close to the 260 mark when they finally kick on.

Put your AC on and see if they both come on like they should.
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Old Feb 16, 2011 | 11:56 AM
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me too, I dont have the digital readouts, but I bought new relays, hope the relays the problem
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