Fan blower and A/C does not work

Tiny
WAGS12987
  • MEMBER
  • 2003 HONDA ACCORD
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 185,000 MILES
Interior fan does not work
The a/c clutch engages for 2-3seconds after initial start up then turns off and will not reengage
The radiator fans will not engage
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Tuesday, August 26th, 2014 AT 2:55 PM

5 Replies

Tiny
CADIEMAN
  • MEMBER
U need to use a test light to see if the motor is getting power. Then you will know if it's a bad motor or a wiring problem.
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Tuesday, August 26th, 2014 AT 3:09 PM
Tiny
WAGS12987
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So if the fan motor is not getting power the units such as compressor clutch and radiator fans do not work at all
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Tuesday, August 26th, 2014 AT 3:14 PM
Tiny
CADIEMAN
  • MEMBER
You will need to put a set of a/c gauges on and check the pressures of the high and low side lines. Their maybe a pressure problem. This will cause the clutch to cycle off and on. The fan has to work for the a/c to operate properly. Use a test light and ck. To see if you are getting power to the fan assy. When you turn the a/c on.
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Tuesday, August 26th, 2014 AT 5:50 PM
Tiny
WAGS12987
  • MEMBER
I used a meter and I have 12volts to the power plug to the blower motor

I swapped the 40 amp fuse in the fuse box under the hood

I pulled the resistor near the fan blower and did an oms check and one termil was open and the others had resistance don't know if that had anything to do with it

Thx
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Wednesday, August 27th, 2014 AT 3:26 AM
Tiny
CADIEMAN
  • MEMBER
You should try to rent a set of gauges at the parts store. Try hooking a ground wire up to the blower motor metal housing and the negative battery cable. If the blower motor comes on you will need to replace the blower module in the a/c case. Just unplug the power wire on the blower motor and follow it back to the a/c module. If it still won't run you will need to replace the blower motor. You can also check the blower motor by removing it and hook it up to the battery to see if it runs.
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Wednesday, August 27th, 2014 AT 5:26 PM

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