If you own a 2015 Dodge Charger and are having issues with your headlights not functioning properly, one possible solution is to check the wiring. In this article, we will provide you with a detailed wiring diagram for the 2015 Dodge Charger headlight system.
What You Will Need
Before we get started, you will need a few tools and materials to help you diagnose and fix the issue. Here are some items you should have on hand:
- Wire cutter/stripper tool
- Multimeter
- Screwdrivers (flathead and Phillips)
- Fuse puller tool
- Replacement fuses (if necessary)
Understanding the Wiring Diagram
Before we dive into the specifics of the wiring diagram, it is important to have a basic understanding of how the headlight system works in the 2015 Dodge Charger. The headlight system is controlled by a combination of fuses, relays, and wiring. When you turn on your headlights, electricity flows from the battery to the headlight switch, which sends a signal to the control module. The control module then activates the appropriate relays to send power to the headlights.
The wiring diagram for the 2015 Dodge Charger headlight system is split into several sections, each of which corresponds to a specific area of the wiring. The sections are as follows:
- Fuse Box
- Front Control Module (FCM)
- Headlight Switch
- Left Headlight
- Right Headlight
Each section will be discussed in detail below.
Fuse Box
The first section of the wiring diagram is the fuse box. The fuse box contains several fuses that are essential for the proper functioning of the headlight system. The fuses that are relevant to the headlight system include:
- Fuse 42: High Intensity Discharge (HID) Lamp
- Fuse 49: Low Beam Lamp
- Fuse 50: Low Beam Lamp
- Fuse 51: High Beam Lamp
- Fuse 52: High Beam Lamp
If any of these fuses are blown, it can cause your headlights to malfunction. To check the fuses, use your fuse puller tool to remove each fuse and check its condition. If a fuse is blown, replace it with a new one of the same amperage rating.
Front Control Module (FCM)
The Front Control Module (FCM) is responsible for controlling the relays that send power to the headlights. The FCM receives signals from the headlight switch and uses those signals to activate the appropriate relays. The FCM is located in the engine compartment on the driver’s side of the vehicle.
If your headlights are not functioning properly, it is possible that the FCM is faulty. To test the FCM, use a multimeter to check the voltage at the FCM connector pins. Consult the wiring diagram for the pin locations and voltage values. If the voltage is not within the specified range, it may be necessary to replace the FCM.
Headlight Switch
The headlight switch is located on the dashboard and is used to turn the headlights on and off. The headlight switch sends signals to the FCM to activate the appropriate relays. If your headlights are not functioning properly, it may be necessary to test the headlight switch using a multimeter. Consult the wiring diagram for the pin locations and voltage values.
Left Headlight
The left headlight wiring is split into four sections: connector C1, connector C3, connector C5, and connector C7. Each connector controls a specific aspect of the left headlight. Consult the wiring diagram for the pin locations and wire colors.
If your left headlight is not functioning properly, it may be necessary to test each connector using a multimeter. Check the voltage at each pin and compare it to the specified voltage values in the wiring diagram. If any of the values are outside the specified range, it may be necessary to repair or replace the wiring.
Right Headlight
The right headlight wiring is similar to the left headlight wiring, with four connectors (C2, C4, C6, and C8) controlling specific aspects of the right headlight. Consult the wiring diagram for the pin locations and wire colors.
If your right headlight is not functioning properly, follow the same testing procedure as for the left headlight. Check the voltage at each pin and compare it to the specified voltage values in the wiring diagram. If any of the values are outside the specified range, it may be necessary to repair or replace the wiring.
FAQ
Q: What should I do if my headlights are flickering?
A: If your headlights are flickering, it may be caused by a faulty alternator, battery, or voltage regulator. Check the voltage at the battery while the engine is running to see if it is within the specified range. If not, it may be necessary to replace the faulty component.
Q: What is the purpose of the relays in the headlight system?
A: The relays are used to control the flow of electricity to the headlights. When you turn on your headlights, the headlight switch sends a signal to the control module, which activates the appropriate relays to send power to the headlights.
Q: How do I know if my FCM is faulty?
A: To test the FCM, use a multimeter to check the voltage at the FCM connector pins. Consult the wiring diagram for the pin locations and voltage values. If the voltage is not within the specified range, it may be necessary to replace the FCM.
Q: What should I do if a fuse keeps blowing?
A: If a fuse keeps blowing, it may be a sign of a more serious issue. Check the wiring for signs of damage or wear, and test the relevant components (such as the headlight switch or FCM) with a multimeter. If you cannot identify the issue, it may be necessary to take your vehicle to a professional mechanic.
| Fuse Number | Amperage Rating | Function |
|---|---|---|
| 42 | 30 | High Intensity Discharge (HID) Lamp |
| 49 | 15 | Low Beam Lamp |
| 50 | 15 | Low Beam Lamp |
| 51 | 20 | High Beam Lamp |
| 52 | 20 | High Beam Lamp |
