I have an 89 iroc z auto tbi and i went and bought a hanress and tpi kit of this one guy on craigslist and it cam out of an 89 auto tpi 305 transam and i went and tried usin the hanress but realized it has 3 relays i am not usin and the heater contol wires are attached to it and on my tbi it had a sub harness for the heater controls and im not sure wat i can do so i dont mess things up cause i want everythin to work, can anyone help me?