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FUSE PRECAUTIONS
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. WARNING: Always replace a fuse with one that has the specified amperage rating. Using a fuse with a higher amperage rating can cause severe wire damage and could start a fire. |
LOCATING THE UNDER HOOD FUSE BOX
ACCESSING THE UNDER HOOD FUSE BOX
IDENTIFYING THE FUSES IN THE UNDER HOOD FUSE BOX
Item | Rating | Protected Component |
---|---|---|
1 | 20 A | Power point 4. |
2 | 20 A | Power point 3. |
3 | 10 A | Spot light module. |
4 | 10 A | Four-wheel drive vacuum solenoid. |
5 | 40 A | Active front steering. |
6 | 10 A | Snow plow. |
7 | 30 A | Trailer tow battery charge. |
8 | 10 A | Anti-lock brake system module. |
9 | 10 A | Electronic power assisted steering module. |
10 | 30 A | Trailer tow park lamps. |
11 | 20 A | Horn. |
12 | 30 A | Torque overlay. |
13 | 30 A | Power sliding rear window. |
14 | 40 A | Body control module – battery power in feed 1. |
15 | 30 A | Passenger seat power. |
16 | 10 A | Powertrain control module. Transmission control module. |
17 | 10 A | Blind spot information system. |
18 | 10 A | Four-wheel drive module. |
19 | 5 A | Adaptive cruise control. |
20 | 15 A | Heated mirrors. |
21 | 40 A | Heated rear window. |
22 | 10 A | On-board diagnostic module. Smart data link connector. |
23 | 15 A | Transmission control module. |
24 | 30 A | Driver power seat. |
25 | 25 A | Voltage quality module. |
26 | 30 A | Trailer tow battery charge. |
27 | 20 A | Rear heated seats. |
28 | 25 A | Glow plug (diesel). |
— | Not used (gas). | |
29 | 40 A | Electric power assisted steering motor. |
30 | — | Not used. |
31 | 20 A | Power point 5. |
32 | 25 A | Four-wheel drive module. |
33 | 10 A | Alternator sense line 2. |
34 | 50 A | Electric cooling fan (gas). Supplemental air heater (diesel). |
35 | 20 A | Power point 2. |
36 | 20 A | Power point 1. |
37 | 60 A | Anti-lock brake system pump. |
38 | 60 A | Inverter. |
39 | 25 A | Four-wheel drive module. |
40 | 30 A | Starter motor solenoid. |
41 | 10 A | Tailgate release solenoid. |
42 | 40 A | Blower motor. |
43 | 10 A | Trailer tow backup lamps. |
44 | 40 A | Trailer tow lighting module. |
45 | 30 A | Anti-lock brake system valve. |
46 | 30 A | Compressed natural gas module power. |
47 | 50 A | Supplemental air heater (diesel). |
— | Not used (gas). | |
48 | 50 A | Supplemental air heater (diesel). |
— | Not used (gas). | |
49 | — | Not used. |
50 | 30 A | Heated and cooled seats. |
51 | 20 A | Powertrain control module. |
52 | 15 A | Compressed natural gas (gas). Fuel rail pressure relief control (diesel). |
53 | 20 A | Exhaust gas recirculation stepper motor (gas). Universal exhaust gas oxygen sensors (gas). Exhaust gas recirculation cooler bypass (diesel). Urea pump motor controller (diesel). Oxygen sensors. |
54 | 20 A | A/C clutch relay power. Fan clutch. |
55 | 5 A | Rain sensor. |
56 | 30 A | Windshield wipers. |
57 | 10 A | Upfitter interface module. |
58 | 10 A | Alternator sense line. |
59 | 30 A | Power running boards. |
60 | 40 A | Body control module – battery power in feed 2. |
61 | 10 A | Telescopic mirror motors. |
62 | 40 A | Trailer brake control. Aftermarket e-brake access. |
63 | 15 A | Multi-contour seats. |
64 | 20 A | Ignition coil (gas). Glow plug module (diesel). Nitrogen oxide module (diesel). Urea level and quality sensor (diesel). |
65 | 30 A | Fuel pump. |
66 | 10 A | A/C clutch solenoid. |
67 | 40 A | Auxiliary lighting module. |
68 | 10 A | Powertrain control module. |
69 | 60 A | Body control module power. |
70 | 30 A | Trailer tow stoplamp and turn lamps. |
LOCATING THE BODY CONTROL MODULE FUSE BOX
ACCESSING THE BODY CONTROL MODULE FUSE BOX
IDENTIFYING THE FUSES IN THE BODY CONTROL MODULE FUSE BOX
Item | Rating | Protected Component |
---|---|---|
1 | — | Not used. |
2 | 10 A | Driver door pack switch. Power sliding rear window switch. |
3 | 7.5 A | Seat memory switch. Power lumbar motor. Wireless charging module. |
4 | 20 A | Not used (spare). |
5 | — | Not used. |
6 | 10 A | Power telescoping mirrors switch. Front power windows switch. |
7 | 10 A | Brake on-off switch. |
8 | 5 A | Embedded modem. |
9 | 5 A | Combined sensor module. |
10 | — | Not used. |
11 | — | Not used. |
12 | 7.5 A | On-board diagnostic module. Smart data link connector. Climate control module. |
13 | 7.5 A | Steering column control module. Instrument cluster. |
14 | 15 A | Not used. |
15 | 15 A | SYNC. Display. |
16 | — | Not used. |
17 | 7.5 A | Active front steering module. Park aid module. |
18 | 7.5 A | Selectable drive modes switch. Select shift switch. |
19 | 5 A | Head up display. |
20 | 5 A | Ignition switch. Key inhibit solenoid. |
21 | 5 A | Head up display. In-vehicle temperature and humidity sensor. |
22 | 5 A | Upfitter switches. |
23 | 30 A | Driver front door module. |
24 | 30 A | Moonroof. |
25 | 20 A | Not used (spare). |
26 | 30 A | Passenger front door module. |
27 | 30 A | Not used (spare). |
28 | 30 A | Amplifier. |
29 | 15 A | Adjustable pedals switch. |
30 | 5 A | Brake on-off output to trailer brake controller and customer access circuits. |
31 | 10 A | Remote keyless entry. |
32 | 20 A | Radio. |
33 | — | Not used. |
34 | 30 A | Run/start relay. |
35 | 5 A | Not used (spare). |
36 | 15 A | Camera module. Lane keeping system. Auto-dimming interior mirror. Rear heated seats. |
37 | 20 A | Heated steering wheel. |
38 | 30 A | Power windows. |
IDENTIFYING FUSE TYPES
AMicro 2. BMicro 3. CMaxi. DMini. EM Case. FJ Case. GJ Case Low Profile. HSlotted M Case. |
FUSES – FREQUENTLY ASKED QUESTIONS
When do I need to check a fuse?If electrical components in the vehicle are not working.When do I need to replace a fuse?If a fuse has blown.How do I identify a blown fuse?You can identify a blown fuse by a broken wire within the fuse.
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