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Where is the fuse for my Heater Blower on my 2003 jeep lberty??

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: the heater blower on my 2003 GMC sierra wont shut off

i had the same problem. depends what kind of trim model you have. but if you look on the passenger side floor right under the glove box is where your heater unit is. if you take off the cover to it. their will be a little squarebox looking thing with 2 - 3 wires coming out of it and goin to the blower motor unit . Tap the square box with a screwdriver while your blower motor is on off mode. it should shut off if you give it a couple good solid taps. dont be afraid to hit it. that little square thing might have to be replaced if it turns off when you hit it. or just may have to be cleaned.

Posted on Jan 05, 2009

  • 1 Answer

SOURCE: 2003 GMC Sierra heater Blower wont shut off

My 2003 Sierra's blower came on by itself in the garage while I was sleeping and ran the battery completely down. I had to replace the blower switch located under the glove box next to the blower at the bottom of the right corner of the dash. The switch is in front of the blower and held in by two screws. Disconnect the two wire connections. This is a "dealer only" part and cost me 65.00. Also check the wire harness with seven wires connected to it for melted plastic. It will be marked "ABCDEFG". If it has melted, you'll need to replace it. Pay attention when reinstalling either part, that the wires "ABCDEFG" match the switch in that order.

Posted on Jan 17, 2009

  • 19 Answers

SOURCE: 2003 Suburban heater fan will not working.

1st attach a test light from negative battery terminal to voltage wire at blower motor and test for power
2nd attach a test light from positive battery terminal
to ground wire at blower motor and test for ground

if both tests light the test light suspect blower motor
if no ground suspect resistor
if no power suspect short in voltage wire
these vehicles are known for burning out the wire
connection at the blower motor look for discoloration
at the plug
i hope this helps

Posted on Dec 10, 2009

  • 1810 Answers

SOURCE: the blower for my heater wont come on. any idea

sounds like a bad resistor or a bad controll set

Posted on Jan 03, 2010

Obertelli
  • 3006 Answers

SOURCE: i have a 1999 Jeep Wrangler and the heater fan

If you bypass the resistor pack and connect the motor directly to the fused 12v supply then the fan should run at maximum speed. If so, it's the resistor pack that's blown: a very common fault on a huge number of makes and models.

Posted on Feb 13, 2010

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MY 1991 JEEP WRANGLER CARS HEATER DOESNT WORK


If the blower works check for coolant in the cooling system. Test operation of thermostat. Check heater control valve for proper operation if equipped. Pressure test cooling system to ensure system holds pressure (this will help you identify a leak, if any. If car does not over heat and cooling system is in good working order, then the heater core is clogged.
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You heater only works on speeds #2 & 4 because the blower motor resistor pack is defective. Replace it.

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