ok i have a question on 90 ls motor on the back of the block they are three sensor's what are they. on the 94 motor there is only one sensor the other two are blocked in. one of them you can screw off but the other one is completely sealed. i am using the wiring harness of the b18a1 and the intake manifold of the same. But i can't figure out what they are. I think the one that is screwed in and can be screwed out is some kind of oil temp. sensor i think the one that is sealed is something to do with the coolent*sp temp. on the old motor there is no sensor on the termostat housing but on the b18b1 there is one sensor on the housing could that be the same as the one on the b18a1 block?


[Modified by digitalhav0c, 1:47 PM 5/3/2002]

 

Can anyone answer this one???
After a search I found this post with the exact same questions, but no clear answers in any.

From what I gather, I can do without the OIL TEMP SENSOR, since I don't have A/C. However, what's the deal with the connector on the B18B t-stat housing. Since I'm running a OBD-0 ECU can I ignore this???

 

take the plug out of the b18b block, and transfer the coolant temp sensor from the b18a. use the b18a thermostat housing, and you're good to go.

 

I thought the coolant temp sensor was under the dizzy...
With the same location between B18A and B18B??

 

What is the plug in the housing for???

 

the plug in the housing is the same one that you're swapping into the back of the block. i believe there's 2 coolant sensors. one on the head, and one on the block.




Modified by MugenDude at 10:06 AM 2/9/2005