Roadside Emergencies
Fuse/Relay
Fuse Amp
Location
Rating
45
30A**
46
40A**
47
30A**
48
20A**
49
30A**
50
30A**
51
20A**
52
20A**
53
—
54
—
55
—
56
—
57
—
58
—
59
—
60
—
61
—
62
—
63
15A*
64
—
65
10A*
66
—
67
10A*
68
—
69
30A*
70
20A*
71
5A*
72
20A*
73
5A*
74
20A*
274
2008 Navigator (nav)
Owners Guide (post-2002-fmt)
USA (fus)
Power Distribution Box Description
Driver seat
Run/Start bus bar
Air suspension – solenoids
Passenger side HID headlamp
Front wipers/washer
PCM – bus bar
Cargo power point
Cigarette lighter
Air suspension relay
Starter relay
Trailer tow connector relay (park lamp)
Trailer tow connector relay (battery charge)
Run/Start relay
Not used
PCM relay
One-touch Start diode
Not used
Fuel pump diode
Trailer tow connector (back-up lamp)
Not used
Air suspension logic
Not used
Blower coil
Not used
Run/Start – passenger compartment fuse panel
PCM (sensors) – EFC, A/C clutch coil
Fuel coil, ISP-R
PCM (ignition coils)
Transmission ignition
PCM (sensors) – HEGO/CMS, MAFS, EVMV,
CMCV, Speed deactivation switch, VCT