Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
40 15A* Fan clutch, PCV valve (4.0L
engine only), AC clutch relay,
GCC fan
41 15A* SDARS, DVD, SYNC
42 15A* Redundant brake switch, EVMV,
MAFS, HEGO, EVR, VCT1 (4.6L
engine only), VCT2 (4.6L engine
only), CMCV (4.6L engine only),
CMS
43 15A* Coil on plug (4.6L engine only),
Coil tower (4.0L engine only)
44 15A* Injectors
45B — GCC fan relay
45A — Not used
46B — Not used
46A — Not used
49 — Fuel pump relay
50B — A/C clutch relay
50A — Fog lamps relay
51 — Not used
52 — A/C clutch (diode)
53 — One Touch Integrated Start
(OTIS) (diode)
54 — Trailer battery charger relay
55B — Front wiper relay
55A — PCM relay
56B — Starter relay
56A — Blower relay
* Mini Fuses ** Cartridge Fuses
2008 Mountaineer(mnt)
Owners Guide (post-2002-fmt)
USA(fus)
Roadside Emergencies
289
MOTORCRAFT PART NUMBERS
Component 4.0L SOHC V6 engine 4.6L 3V V8 engine
Air filter element FA-1695 FA-1780
Fuel filter FG-1083 FG-1083
Battery BXT-65-650 BXT-65-650
Oil filter FL-820S FL-820S
PCV valve
1
Spark plugs2
1
The PCV valve is a critical emission component. It is one of the items
listed inscheduled maintenance informationand is essential to the
life and performance of your vehicle and to its emissions system.
For PCV valve replacement, see your authorized dealer. Refer to
scheduled maintenance informationfor the appropriate intervals for
changing the PCV valve.
Replace the PCV valve with one that meets Ford material and
design specifications for your vehicle, such as a Motorcraft or
equivalent replacement part. The customer warranty may be void
for any damage to the emissions system if such a PCV valve is not
used.
2For spark plug replacement, see your authorized dealer. Refer to
scheduled maintenance informationfor the appropriate intervals for
changing the spark plugs.
Replace the spark plugs with ones that meet Ford material and
design specifications for your vehicle, such as Motorcraft or
equivalent replacement parts. The customer warranty may be
void for any damage to the engine if such spark plugs are not
used.
2008 Mountaineer(mnt)
Owners Guide (post-2002-fmt)
USA(fus)
Maintenance and Specifications
358
