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Heater blower will not swich off even without key in ignition,until fuse is removed.

Have already changed relay

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  • Kevin Scarbro Jan 11, 2013

    mercedes benz clk 230 kabriolet 2001

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  • 2 Answers

Need to know what year make and model?

Posted on Jan 10, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

emissionwiz
  • 75051 Answers

SOURCE: 1994 civic heater blower is not working fuses and relay is good?

check and replace the blower motor speed control assembly

Posted on Dec 15, 2008

  • 14 Answers

SOURCE: Heater blower won't cut off, even with ignition turned off

try looking at your x relief relay it may be sticking

Posted on Jan 15, 2009

cadman000
  • 607 Answers

SOURCE: 1992 Cadillac Coupe Deville blower fan runs all the time

The BLOWER MODULE is located on the A/C EVAPORATOR housing located UNDER THE HOOD passenger side firewall. Has 2 electrical connectors. Mounted with 4 screw bolts.Hope this helps

Posted on May 21, 2009

  • 1 Answer

SOURCE: 1998 oldsmobile 88 - heater blower motor won't shut off

more than likely it is your blower motor resister

Posted on Jul 18, 2009

  • 7353 Answers

SOURCE: My heater's blower motor runs even when the car is OFF

You MAY have an "Ignition Switch " thats bad.

Posted on Nov 16, 2009

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A.c. cooling fan runs constantly on high even with ignition off and key out


A/C - Heater blower motor ! What make , model and year vehicle ? Manual or automatic climate control ? Could be a bad blower motor control module , a high blow relay contacts stuck closed .

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My blower motor quit working changed blower and now it runs all the time even with key off worked fine before blower went out the fuse had also blown what could cause it to run all the time now


Most would say it is the Blower Motor Resistor or a relay..And possibly the dash heater control knob..However it is running all the time even with key off..This means it is getting power all the time from somewhere..It sounds as if wiring is crossed..Did you have to change wiring plug in connectors..?..

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A/c fan blows without car turned on or key in ignition


Either you have connected your wiring incorrectly, recheck all of your wiring connections, Or the power supply for the fan is coming straight from the battery instead of running through the switched relay, most likely the relay is stuck closed allowing the fan to stay on.

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2000 Jetta 2.0 gasoline engine. Multiple electrical problems. headlights will not turn on, only hi beam and only while holding lever up. A/C blower motor, wipers, and turn signals shut off as soon as...


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2004 Chevrolet Silverado Heater/AC Blower on without Ignition ON


there is no relay for the heater fan it's a 15 amp fuse and is on the accessories circuit. the reostat is responsible for all 3 speeds .with the key off there should be no voltage to the blower motor whether the fans speed fan switch is on or off. the fuse will be located in the fuse paneleither on the drivers left side in the dash or underneath the dash in the fuse block. you have a short in the harness that is under the dash and most likely it's a bad plug on the harness. your going to have to do some searching but that's where the problem short is... please rate

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