If you are talking about the blower fan resistor, this regulates the speed of the fan and can keep it off completely. You would go to the blower fan and backtrack the wires to a place on the Firewall where a part is held on by 2 bolts and has 1 wire from the blower fan on it.
There may be clearance problems with heater hoses and metal tubes in this area. The part is the size of a pack of cigarettes and is mostly hidden inside the duct structure. This is all under the hood work.
Look online for the blower motor resistor for your make and model. You may find a video.
SOURCE: 99 ford expedition front heater core location
behind glove box look under hood on pasnger side for two hoses going in to fire wall this is where your heater core will be located if you need more help call me at 850-791-4498
SOURCE: where is the powerlock relay located on a 1998
The Aux. Relay Box #4 is located in the rear driver side removable panel with the jack. The box holds the Door lock and unlock relays; The driver's door lock/unlock relay and the ACC. Lights relay.
SOURCE: Where is the fuel pump
Hi!!
The fuel pump relay is integral to the Central Junction Box ( CJB ) and is not serviceable
Applies to, but not limited to the following models:
Expedition / Navigator -- 2003 - 2006
Excursion -- 2002 - 2005
F-Super Duty 250-550 -- 2002 - 2007
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