92 ls teg b16a swap vtec question

92 ls b16a swap switch distributor ecu and injectors wired up vtec sol. and vtec pressure switch still no vtec . the coolant temp sensor was different on the ls motor and b16a did anyone else have this problem . i heard if the coolant temp sensor isnt hooked up no vtec. so b16a .NO VTEC please help.

Yes, the ecu needs to know that the engine is at operating temp.

So the coolent temp sensor is different on the LS motor to the B16? Please help!