Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
15
40A**
ABS pump motor
16
30A**
Front heated seats
17
20A**
Cigar lighter/Power point
18
20A**
Panoramic moon roof
19
—
Fuel pump diode
20
—
Powertrain control module (PCM)
relay
21
7.5A*
PCM – keep alive power
22
—
Trailer tow left stop/turn lamp relay
23
—
One-touch integrated start diode
24
10A*
Trailer tow left stop/turn lamp
25
—
Rear seat release relay
26
—
Fuel pump relay
27
10A*
Rear seat release
28
15A*
Heated mirror
29
—
Heated mirror relay
30
15A*
Vehicle power 1
31
10A*
Vehicle power 3
32
10A*
Vehicle power 2
33
15A*
Vehicle power 4
34
—
Not used
35
10A*
A/C clutch
36
—
Not used
37
—
A/C clutch relay
38
—
Rear window defroster relay
39
40A**
Rear window defroster
40
—
Not used
41
30A**
Starter
42
—
Starter relay
43
—
Backup lamp relay
44
10A*
Backup lamps
Roadside Emergencies
235
2010 MKX
(mkx)
Owners Guide, 3rd Printing
USA
(fus)
1
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19
20
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23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
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58
59
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64
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68
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80
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91
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101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
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168
169
170
171
172
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174
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177
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183
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235
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240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
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