Roadside emergencies – FORD 2008 F-550 v.4 User Manual
Page 304
Fuse/Relay
Location
Fuse Amp
Rating
Power Distribution Box
Description
6
40A*
ABS module (Pump)
7
30A*
Upfitter auxiliary switch #1
8
30A*
Upfitter auxiliary switch #2
9
40A*
ABS module (Coil)
10
20A*
Cigar lighter
11
20A*
Instrument panel power point
12
15A**
Brake On/Off (BOO) relay feed
13
5A **
Brake switch, Brake switch relay
coil, SJB module, 4x4 module
14
—
Not used
15
—
Not used
16
Relay
A/C clutch
17
Relay
Not used
18
Relay
Fuel Pump Driver Module (FPDM),
Fuel injectors (Gasoline engines),
Diesel Fuel Control Module (DFCM)
(Diesel engine)
19
Relay
Back-up lamps, Reverse Sensing
System (RSS), Engine compartment
fuse 63
20
Relay
Trailer stop/turn (Left)
21
Relay
Trailer stop/turn (Right)
22
Relay
Stop lamps, Center High-Mounted
Stop Lamp (CHMSL), TBC,
Customer access
23
15A**
Heater mirror
24
40A*
Blower motor relay
25
—
Not used
26
30A*
ESOF relay lo-hi
27
50A*
Glow Plug Control Module (GPCM)
#1 (Diesel engine only)
28
20A*
Heated mirror relay
2008 F-250/350/450/550 (f23)
Owners Guide (post-2002-fmt)
USA (fus)
Roadside Emergencies
304