hi i need some help figuring some stuff out on my teg i just swapped a 1999 jdm b20b into my 1991 rs, the car starts fine drive great a lot of torque really nice,, but i cannot get the fan to come on and it seem my thermostat is not opening i replaced the termostat but still the same the fan does not work, i tested the fan with the battery and i came on but, fuses good and scared to blow my b20b so i need help, also sometimes my CEL comes on and the car idles low and sounds way different when the check engine light off,,,,,,,,,,, please help me i dont want to burn my engine thanks

 

next time you get the CEL check the code. look up what it is and start with that, as far as the fan double check all the wiring.