93 C1500 Junction block question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

07-22-2021, 02:43 PM

#10

ChevyTech

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Join Date: May 2004

Location: Minnesota

Posts: 4,621

Re: 93 C1500 Junction block question

Quote:

Originally Posted by legendman

I can't find a one wire hookup for a oxy sensor anywhere.

This truck originally had a 4.3v6 and was swapped to a 350, wonder if that has something to do with it.

It has everything to do with it.

The trucks with a 4.3 V6 had a three wire heated oxygen sensor. The trucks with a V8 had a one wire oxygen sensor.

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Did you give the model, year, engine, fuel system type, and transmission information?
If it is modified from what came stock from the factory, let us know that too.

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