Question about 1991 Honda Prelude

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Radio and blower fan stop working

Installed a radio it work for a while then it quit now the radio will only come on when the key is turned into the aux postion and will not work when the car is running

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  • 11 Answers

Probably a blown fuse or a miswire. Pull the radio and revert to stock. If the fan works carefully re-wire the radio with a good diagram.
if the fan is still dead with stock radio setup you may have a short, bad relay or bad temperature switch.
if you understand electrical get a tester and start snooping.
see if any of the manuals contain good wiring diagrams.
if not its best to leave it to the pros. You dont want your car to go up in flames. If you are super concerned about a fire, disconnect your battery when the car isnt in use. SpoonerTuner com Free downloadable Honda Acura Factory Service Manuals...

Posted on Jun 04, 2014

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Posted on Jan 02, 2017

freetek
  • 5568 Answers

SOURCE: Blower AC fan not working.

Hope you have both fixed your problem by now; my system has been down.

In most auto applications, the bearings of small fans and motors are made of sintered phosphor bronze with graphite or petroleum lubricant embedded in it.
Since there isn't much load on these, the bearings can outlast the rest of the car but they do have a tendency to get gummy and since the fan motor doesn't have much torque, it may have trouble overcoming the stickiness and start turning.

If it wasn't for the buried location of most blowers, it would be a simple job to flush out the bearings with a penetrating lubricant such as WD-40 that is mostly volatile and doesn't leave much residue behind to complicate (gum up) things again.

This problem is common to some computer cooling fans too although many of the small CPU cooling fans actually have PLASTIC bearings!
Including some that were clearly marked as 'ball bearings.'
Some balls -

Posted on Aug 06, 2008

  • 66 Answers

SOURCE: loss of heater and radio

need electrical part of ignition switch

Posted on Dec 18, 2008

  • 75 Answers

SOURCE: The blower fan stopped working this morning. No

You can take a look at your fuses and see if your fuse is burnt out or if that not the case and the fuses are fine then it sound like blower motor is shot.

Posted on Jun 28, 2009

  • 1 Answer

SOURCE: The ac quit working...no fan, no air. The 30amp

check the ac blower transistor under passenger side of dash behind the blower motor. on my 2003 compressor would not cut on , front blower only operated on high an blew hot air, rear blew on all speed but only hot air. $58.00 at dealer plus tax. 15 minute fix. there is a video on youtube that documents the process. just fixed today

Posted on Jul 16, 2010

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