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Old 02-05-2010, 07:12 PM   #5
68 short step
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Join Date: Aug 2005
Location: tulsa OK
Posts: 3,070
Re: Two ECT Sensors LS1 Where is the other one?

Quote:
Originally Posted by Corveric View Post
We have transplanted an LS1 from a '98 Silverado into a '97 (originally was a 4.3) and we used a computer and harness from an '00 Vette LS1. (Or so i am told)
The harness has two engine coolant temperature sensors, a multi wire that goes to the driver side head, and another single wire that is somewhere around the back of the engine on the driver side. With the engine in, there is no room to get one's head down there to look.
Can anybody help us find the sensor that ought to be there?
There is also another sensor which hooks up to the electric fans which is all looked after. I believe that the one we are looking for will operate the dash board gauge.
in some late model 99 silverado's they had 5.3/4.8/6.0 engines (in the LS family), but in 98 they didnt come in trucks....as for the temp sensor, there is just one position they come, and thats the driver front... the wire colors are yellow and blk...the oil press. wire color typically is tan...
i hope this helps ya
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