The high-current fuses are coded as follows.
Fuse/Relay
Location
Fuse Amp
Rating
Power Distribution Box
Description
1
20A*
Ignition switch (Key in, RUN 1,
RUN 2)
2
25A*
Ignition switch (RUN/START,
RUN/ACC, START)
3
10A*
Powertrain Control Module (PCM)
keep alive power
4
20A*
Fuel relay feed
5
20A*
Instrument panel power point
6
15A*
Alternator regulator
7
30A*
PCM relay feed
8
20A*
Driver’s Door Module (DDM)
9
15A*
Ignition coil relay feed
10
20A*
Horn relay feed
11
15A*
A/C clutch relay feed
12
20A*
Audio
2005 Town Car
(tow)
Owners Guide (post-2002-fmt)
USA_English
(fus)
Roadside Emergencies
258