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

Heated O2 Wiring

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Old Jul 7, 2006 | 11:32 PM
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Default Heated O2 Wiring

I am installing heated O2's in my 1992. I am severely wiring and electronically challenged. Where are you picking up the 12v switched power source? Also do you need two sources or do you split the one and run it to both O2's? Thanks for any help.
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Old Jul 7, 2006 | 11:51 PM
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Install a SPST relay and run it directly to your battery (well, the junction block behind it) for 12V. Then use the 12V source to the fuel pump relay as the activation switch for the relay.
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Old Jul 8, 2006 | 01:12 AM
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Some guy posted a really wacky approach here

"Heated O2 sensor: Modify Aux Fan Relay for a switched 12VDC source"

.
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Old Jul 8, 2006 | 04:49 PM
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try reading this also
this is what i did with a few little differences
https://www.corvetteforum.com/techti...D=93&TopicID=2
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Old Jul 8, 2006 | 04:59 PM
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http://forums.corvetteforum.com/show....php?t=1401956
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Old Jul 8, 2006 | 05:38 PM
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run the same switched 12V to both through a 10A fuse....



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