Name that sensor!
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From: Balls freezing Minnesota
Name that sensor! I just got an LQ4 out of an 02 Denali. I have all the sensors figured out but 1. Would anyone know what the sensor above the oil filter (about 6" above the filter) is? This is my first jump into fuel injection/computer controls so be gentle with the noob please! 
Smokey
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Defiintely not a crank sensor, i had a brain fart for a second there. Looks like some type of coolant level or temp sensor. did it have a ECT sensor on the head?
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From Canada maybe? Those are the holes they use for the block heater.
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That is definately a block heater. I couldn't find a picture of a 6.0 with one but here is an LS4 with a block heater from the GM diagram.
http://parts.nalleygmc.com/images/pa...15MW01-047.JPG
http://parts.nalleygmc.com/images/pa...15MW01-047.JPG
That's a threaded hole to the coolant jacket. Either a block heater like others have said. Or someone could have put an aftermarket temp sensor there. I used that hole for old school GM temp sensors in both my swaps.
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From: Balls freezing Minnesota
Aha, a block heater, very cool and makes sense since the donor vehicle was from northern Minnesota. There is a spot on the other side of the block as well that has a plug in it. I bow to your knowledge, I will definitely be hanging around!
Smokey
Smokey
Looks like the old style brass 3 wire heater, so you'd need cord number 19116191. It's been discontinued from GM but you may be able to find one.
On the older ones that should be a cord direct from the heater in the block on one end and is a standard 3-pin 110v plug in on the other end, so I think that should be all you need.
Alternatively, you can just get the GM plug for the hole, leave that in there to plug the hole, or get the new style heater that goes in the hole along with it's corresponding cord.
On the older ones that should be a cord direct from the heater in the block on one end and is a standard 3-pin 110v plug in on the other end, so I think that should be all you need.
Alternatively, you can just get the GM plug for the hole, leave that in there to plug the hole, or get the new style heater that goes in the hole along with it's corresponding cord.
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