Question about 2004 Infiniti Q45

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1994 Infiniti Q45 fan relay?

The problem is that the fan is constantly blowing I can not turn it off unless I take out the 15.V spark plug. I was told to take the relay out and reinsert it to see if it will reset itself. The blow motor is running constant. Any help is greatly appreciated! Thank you. '94 Q45 188K miles. The TCS just went also. Traction Control sensor..........
Any help?? Thanks in advance.

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Well, first of all that 15V thing you are removing is not a spark plug. It is a fuse. If the fuse versus sparkplug thing is challenging you may need a little help identifying a relay. But, and I am not a mechanic just a average guy, find your fan. Find the wires leading away from the fan going towards your wireharness junction. The relay shold be along the way. It iwll look like a block, pretty small, smaller than your fist, plugging into a connector with wires. Look carefully with a flashlight at the connector and relay. Carefully release the clips holding the relay into the connector. Take a crayon, yellow and make a line from the connector over therelay so you can put it back easily, most only go back one way but you never can be too catreful. Gently twist and pull the relay out of the connector while twisting being careful not to break wires of the connector. When the relay comes free take it away from your Q45 and get some alcohol and some Q-tips. Gently clean the relay prongs, the things that stick out from the relay, metal, and don't use too much alcohol. Let the relay air dry for a minute or two. Put it back together. The TCS module is way over your head. Go to a trusted garage. If the unit is bad surf the net and shop for a new one to make sure you are not getting ripped off on the price of the part. Ask to see the labor hour estimate onb his computer as well. They may charge you a bit to diagnose the problem...sorry but that is life. Love your Q45 and it will love you back. I have a 95 Q45 with 187,000 miles and expect to have it go at least 300,000 miles. Great car.

Posted on May 18, 2008

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Its called fan resistor . they short out .the tcs relays are next to the battery. try that first.the resistor is behind the glove box, need to remove to get to the resistor.

Posted on Jun 22, 2008

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