I have unplugged both of the connectors.. found a wire diagram on here but for some reason wont download. Short of testing individule wires at the ecc I have done most everything I can think of. Guess it is just a matter of identifying the faulty short to ground. I have an factory service manuel for...

1997 850 T-5 wagon. ECC system. I think the problem started due to a bad blower motor, she replaced the resistor pack first. then the blower motor a few weeks later. now I have put 2 diffrent ECC units in one from my working 95 t5 ecc system and it still wont stop. it goes all the time I have just r...

a friend in a 97 T-5 wagon has same issue .. fan on high even with key out. changed power stage,first and failed blower motor verry soon after. I have put 2 diffrent ECC units one out of my working 850 ECC system with the same results. will not flash codes and temp controll is not working.. I have c...