Power Distribution Box - Mercury 2009 Grand Marquis Owner's Manual

Power distribution box

The power distribution box is located in the engine compartment. The
power distribution box contains high-current fuses that protect your
vehicle's main electrical systems from overloads.
WARNING: Always disconnect the battery before servicing high
current fuses.
WARNING: To reduce risk of electrical shock, always replace
the cover to the Power Distribution Box before reconnecting the
battery or refilling fluid reservoirs.
If the battery has been disconnected and reconnected, refer to the
Battery section of the Maintenance and Specifications chapter.
503
304
502
501
24
303
23
22 20
302
21 19
The high-current fuses are coded as follows.
Fuse/Relay
Location
1
2
2009 Grand Marquis (grn)
Owners Guide (own2002), 2nd Printing
USA (fus)
Roadside Emergencies
204
209 206
602
203
208
205
202
601
201
207
18 16 14
301
17 15 13
Fuse Amp
Rating
30A* Ignition switch
20A* Not used (spare)
118 114 110 106 102
117 113 109 105 101
116 112 108 104
115 111 107 103
12 10 8 6 4
2
11 9 7 5 3 1
Protected Circuits
191