Question about 2003 Ford F150 Regular Cab
Heater just quit working. Is there a fuse i can check
Posted by Anonymous on
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Posted on Jan 02, 2017
heater valve to let the coolant into the heater core is not working the heater cluster in your dash that controls the heat might be bad. it also controls the fan and air conditioner
Posted on Dec 27, 2008
there are fuses just for the heater motor alone, a relay under the hood and a fuse in the fuses box, look in you owners manual if you have one or some times the marked. youll find the fuse box under the dash board or in the side of the dash board on the driver side and look for a black box under the hood, the book should tell u what relays and fuses are what
Posted on Feb 26, 2009
You can download a PDF version from Ford :
Else auction sites should have used printed ones, or a new one can be ordered from Helm Inc.
Posted on Nov 05, 2009
The problem is the Blower Motor Resistor Pack is defective. Purchase the Pack so you will know what you are looking for. It can be located in a few locations. It can be behind the glove box, behind the kick panel on the passenger side, or next to the blower motor. I am almost certain yours is located behind the glove box but not 100% sure. Hope this helps you.
Posted on Nov 16, 2009
Testimonial: "clay58 good job on the resistor. Right on info. "
Did you check the fuel inertia switch in the passenger side kick panel ?
The fuel pump is powered :
the fuse to the fuel pump relay.
The fuel pump relay to the fuel inertia switch
The fuel inertia switch to the fuel pump itself.
At the fuel inertia switch in the kick panel, power from the relay is the Dark Green w/ Yellow stripe wire and the pink w/ black stripe wire is the power. from the fuel inertia switch to the fuel pump.
If you jumper the fuel pump relay, you should hear it run. If not pull the fuel pump relay, and check the pins in the relay socket, pin 30 should be the power from the fuse.
If you have power at pin #30, jumper the relay socket as shown with the red line above, and check the dark green w/ yellow stripe wire at the fuel inertia switch for power.
Press the button on the top of the fuel inertia switch, and check for power leaving the fuel inertia switch on the pink w/ black stripe wire.
This is tests good, check for power at the fuel pump, same pink w/ black stripe wire.
Fuel inertia switch info is in the owners manual, If you did not get an owners manual with your truck ( purchased used ), you can download one from Ford :
Posted on Jan 03, 2010
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