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Old 10-12-2009, 02:07 AM   #307
rfmaster
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Join Date: Oct 2003
Location: OC CA
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Re: Tbi swap build thread

Quote:
Originally Posted by pancake View Post
Getting closer....

I still have a question on wiring the 02 sensor

What color is the wire for the output pin on the fuel pump relay?

I would like to wire my 02 sensor how 68TT recomended but do not know what wire from the fuel pump relay to attach to pin #85 on the 02 sensor relay.

I should have the Blazer running next weekend....waiting on parts.

Thanks again for the help
Pancake

See circuit diagram below that should answer your wiring questions.
//RF

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1975 Chevrolet C20 longbed
350/700R4! with 3inch body lift
Dual Flowmasters Super 40's!
TBI retrofit completed (2007-07-29)
New 383CID (+030) 08-304-8 9.5:1CR x36,005 (2012-12-17)
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