1998 Ford Taurus 6 cyl Two Wheel Drive Automatic
This summer my brother in laws Tarus air conditioner quit. To make a long story short after checking just about everything, I found a relay in the engine compartment was bad. It looked like the relay had some burn markings on one of the terminals. He replaced the relay and it worked for about a few weeks. Also at this time the air only worked don high so he drove around constantly with the air on high. (I am sure this was probably due to the blower motor resistor.).
Anyway now it does not work again. I replaced the relay and still nothing. I have no voltage to the harness that plugs into the blower motor. I took the blower motor out and connected it to a batters. When I touched the wires at the batter it sparked pretty bright and started spinning. So I assume the blower motor is ok.
There is no voltage at the harness that plugs into the resistor. There is not voltage to any of the four wires going to the fan control switch. (I am not sure if there is supposed ot be or not?)
One thing I noticed is when I was origionally checking around with a tester, where this relay pluged into the power distribution panel, I origionally had voltage on two of the places the relay plugs in, now I only have one.
I dont have anything that explains what the fuses and relays go to, but I believe I tested everythign in the fuse panel and it was ok.
What can I do to figure this out, he has no heat and just got layed off so I am trying to help him and his young son.
Can anyone explain to me what the wires to the relay go to and where I can go from here?
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Sunday, October 19th, 2008 AT 5:55 PM