It didn't necessarily come with one. It was an option.
The engine block heater cord, on a Ford Explorer, is located near the front grill. The cord can be extended through the bottom of the grill.
If the 1999 Explorer is equipped with a block heater, it will be located in one of the frost plugs in the engine. It is usually placed on the side of the motor that has the most amount of room to insert the plug.
On the passenger side of the engine, not too far from the heater fan.
The Heater Blower Relay on a 1993 Ford Explorer is located in the Power Distribution Box. The PDB is in the engine compartment, mounted on a bracket attached to the right fender apron. The Heater Blower Relay is one of six relays, the first relay on the upper left.
IN the engine
On the 89 grand wagoneer with a 360 it is located on the heater core housing. inside the engine compartment close to the fire wall near the engine. there is a plug that the wires go to that is the resistor on mine.
block heater on a ford diesel is actually not a block heater but an oil heater this heater is located on the back right side of the oil cooler on side of engine under the exhaust manifold a block heater in an engine actually is in the block
The heater control valve in a Mustang is located within the engine. It is right in the heater's core and where the coolant is located.
If you look from the engine compartment you will see the 2 heater hoses that connect to your heater core at the firewall towards the passenger side
From inside the engine compartment, disconnect the heater hoses from the core fittings located on the passenger side right next to the blower motor.........
The heater fuse in a 2005 Ford Explorer Eddie Bauer is located in the exterior fuse box. The exterior fuse box is located underneath the hood near the firewall.
Answer replacing the heater core on a 1991 explorer is a simple job and takes around 30 minutes. disconnect the hoses from core in engine bay. remove access cover located below the dash on passenger side. remove core, replace core.