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LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Name that sensor

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Old May 5, 2004 | 10:30 AM
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TrouserSnake's Avatar
TrouserSnake
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From: Midland,Mi
Name that sensor
Its tucked behind the water pump in a little crevise not seen by the naked eye... You would have to be looking for it...

I cant find the right plug that goes in there...

Is it cruicial that this is pluged In?
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Old May 5, 2004 | 11:06 AM
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dreamer1q
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Behind the waterpump almost hidden from view, but it plugs in from the top???????? Thats the opti.......
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Old May 5, 2004 | 11:21 AM
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TrouserSnake
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The Opti Is pluged.. In im pretty sure I did that as soon as put it on... But maybe.. just maybe I forgot.. Thanks Ill give it a second look
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Old May 5, 2004 | 11:25 AM
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dreamer1q
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The Opti is a double plug setup....you plug the harness into the opti, and then plug the engine harness into the opti harness. You might have done one and not the other
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Old May 6, 2004 | 02:48 PM
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Dave Feerst
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From: St. Charles, Il
yes, the opti harness is a 4 wire harness about 15 inches long, it goes into the opti in the spot where you described and it couples to the main wiring harness near the #6 intake runner.
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