oki bought a 88 camaro 305 tpi when i got the car the person persons had the blue and white wires to the tps crossed so i switched them back to color code white to white blue to blue and replaced the tps adjusted it and i'm still getting code 21 i've rest the via the power supply to computer and via the batt ground and still tripping the code i need to know if crossing those wires burnt out somthing in the calpak??