Cooling fan problem

[91CB7Leo]

Hey guys ive searched and searched but i cant seem to find out where the cooling fan timer is on my '91. The problem is the fan turns on and stay on after i pull my key out of the ignition, i dont even have to turn the car on for this to happen. But the end result is a dead battery. But anyway, from what ive read its a small black box under the dash. I see two small black boxes, one just above the fuse area, and one on the other side toward the center of the dash. Ive checked online and even called my local Auto Parts store to get a replacement and to figure which it is but they dont have anything of the sort so im confused

[Ispintechno]

I'm having a cooling fan problem myself, only my fans don't turn on unless I run my A/C and it never comes on after I turn the car off.

Not sure about under the dash, but under the hood near windsheild, passenger side, there is a black fuse box. Open that up and you'll see the fuse for the fans and a relay for the fans. I imagine your fuse is good as the fan turns on, but your relay could be damaged.
You will see the fan relay and the power window relay side by side. They are the same relay so to see if that is the problem just switch relays. Your power windows should still work, as your fan. Maybe it will shut off.

If not the relay there are 2 temperature switches that sit in the coolent on the motor. One on the motor where the coolent line goes out to the rad in front of the distributor, and the other down low where the coolent returns from the rad. One switch turns on the fan after the ignition is shut off for one minute, the other switch turns on the fans as you are driving at low speed when the temp goes up.

I just bought both switches but I forget which one is what.



Part number for your switch is either TS187 or TS254. Maybe it is faulty and turning on the fan but not shutting it off.

I'm still troubleshooting mine so not sure if I nailed it yet. Switch is about $40.

[Accord problems]

thats them . ok one black box is a timer for when the car is running . the other is for when the car ( ignition switch ) is off . your best off replacing booth . it can also be a bad temperature switch .



edit use the search bar for this web site . type in Radiator cooling fan not working...

[91CB7Leo]

ok thanks the guy i spoke to did mention those switches so ill replace them and hopfully my problem is fixed, im having to pop the hood and disconnect the fan everytime i park somewhere and plugging it back on when i leave and its a pain.

And good luck to you, hope it works out

[Ispintechno]

thats them . ok one black box is a timer for when the car is running . the other is for when the car ( ignition switch ) is off . your best off replacing booth . it can also be a bad temperature switch .

The temperature sensor is part number TX37 as pictured above. That switch is directly under your distributor. I'm also replacing that sensor. There is another sensor beside that one too that sends the coolent temp read to your dashboard. Mine works as I can see the temp inside the car so I didn't investigate that part number. If you can see that also don't bother with that sensor.

[91CB7Leo]

thats them . ok one black box is a timer for when the car is running . the other is for when the car ( ignition switch ) is off . your best off replacing booth . it can also be a bad temperature switch .



edit use the search bar for this web site . type in Radiator cooling fan not working...

Thanks for clearing it up, i guess ill have to try the dealer or the junkyard for the parts though

[Accord problems]

the two black boxes he was referring to are the timers for the cooling system . when they fail some will keep the fans on till the battery dies or not come on at all . and yes op they are above the fuses box by the kick panel .

Thanks for clearing it up, i guess ill have to try the dealer or the junkyard for the parts though

try the junk yard first or fined a friend that has a known good cb7 and ask to try his then decide if you should go to the dealer .

[Ispintechno]

the two black boxes he was referring to are the timers for the cooling system . when they fail some will keep the fans on till the battery dies or not come on at all . and yes op they are above the fuses box by the kick panel . try the junk yard first or fined a friend that has a known good cb7 and ask to try his then decide if you should go to the dealer .

I'm confused, you guys say there are fuses inside the cabin of the car? I found mine under the hood. Mine is a 1990, not sure if different?

[Accord problems]

op your welcome .

Thanks for clearing it up, i guess ill have to try the dealer or the junkyard for the parts though

I'm confused, you guys say there are fuses inside the cabin of the car? I found mine under the hood. Mine is a 1990, not sure if different?

ok there are two fuse blocks one inside and one in the engine room . the one inside is hidden behind the driver side kick panel . it has a little trap door the is removable . above that are the two timers .

[91CB7Leo]

So these right?

[Ispintechno]

Well I`ll be a Monkey`s Uncle... didn`t find that. Been fiddling under the hood and thought what was what was under there...

[Accord problems]

So these right?

the first one above the fusses box . there should be another one above it.

[Accord problems]

Well I`ll be a Monkey`s Uncle... didn`t find that. Been fiddling under the hood and thought what was what was under there...

are you trying to confuse me or you ?

[Ispintechno]

are you trying to confuse me or you ?

Not trying to confuse you, but the parts I bought all stick into hot coolent... switches included. They go on the motor.

[Accord problems]

ok the other parts im talking about are located in side the car . parts you aint bought yet .


check this out http://search.mywebsearch.com/mywebs...&ord=15&ct=AR&