Ive removed a box which appears to be the ac fan module. The area where the connector is to be place seems to be melting. Does anyone have a wiring schematic or know where I can find one? You can guess I am a girl who knows very little about this. Thanks for any help.
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Re: AC Fan Stopped Working
Likely you are talking about the blower relay. you can get that part of the harness at a scrapyard and just cut and solder the wires on one at a time. (probably can get a relay there too really cheap) Usually when the plug overheats it' s because either the relay overheated or the blower is drawing too much amperage (worn out) Often you can clean up the connectors and still use the old plug as long as all connectors make good contact.
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the ac fan starts as soon as the ac is switched on
the fan is provide cooling of the condenser before the radiator to prevent high head pressures in the ac compressor
it is the fan at the front of the car mand does not affect engine temp
there is a radiator fan between the engine and the radiator that will not start until the coolant temperature reaches a set temp at which point the ECM switches that fan on
if that fan is not working when the engine is hot , check for fan, coolant temperature sensor switch , fan relay, fuses or problem ECM
www.fixya.com/.../t25874114-04_nissan_maxima_radio_lcd_screen_not 5 hours ago - Run a 12 volt jumper lead to the fan motor connector from the battery or fuse box, if the fan runs replace the fan speed control module.
There is a wire connector repair kit available at your local dealer. You may also need to replace the resistor module due to the connector being melted in the cavity. The heat is a result of a loose connection (high resistance) that eventually melts the connector to the module. Hope this helps.
Mine did the same thing and I found the connector on the blower wiring harness was all melted and chared from overheating. I took out the blower assembly, cleaned the connector terminals, cut off the melted wiring harness connector and crimped on new female connectors. Seems to work ok now, I just hope it doesn't melt again
my 06 h3 just had same problem, the motor control resistor pack was bad, located under glove box, mounted inside ac duct, large connector and two screws will remove it.
mine had burnt spot on connector,cleaned connector terminals and installed new pack, works fine now. I found your problem while looking for another elec problem i'm having.
If the low speed fan doesn't come on, but the system works when cooling air is blown through it, that says that whatever temperature sensor is used is working. It also seems that, if the fuse is OK, then the switch for the fan isn't working. There should be a switch module down there near the fan (you'd see wires from the fan to a harness, and it'll plug into a module). I'd be willing to try replacing that switch and see if it solves the problem.