![]() ![]() My thoughts here are that the aftermarket kits are plugged directly into the regular headlamp connector and the added current of running the xenon's is causing the FCM to attempt to protect itself by cycling the power to the bulbs or turning them off altogether. This protects the FCM from any high current drawn by the HID's. This relay then feeds power to the HID lamps which will turn them on. If you have HID's power goes to a relay in the power distribution center and thus turns the relay on. Now if you have basic headlamps power goes from the FCM to the headlamps. The FCM will then send a power signal out. The front control module (FCM) recieves a signal from the headlamp switch telling it that the headlamp mode has been selected. I see that according to the schematic that the only real difference (besides one or two wires) was a relay. I quickly viewed the wiring schematic for a 2007 300C SRT8 to see what would be different from one with HID's and one without. My initial thoughts were the kits were not up to any sort of standard and may have required different transformers, etc for the higher operating voltage. The member informed me that the kits were of good quality and are basically just plug and play. I looked through the StarScan but did not come across anything so I did some more investigating as to what the problem everyone was having. ![]() I had a member contact me asking about his flickering aftermarket xenons, I don't really frequent the forums here so I was unaware of the problems but was asked if a tech could use the StarScan to tell the car that it had xenons in order to prevent the flickering. date and operating properly to troubleshoot any issues with flickering lights.Hi all, I am a Chrysler mechanic working at a dealer for 16 years.In general, he recommends checking the switches to ensure they’re up Heath demonstrated a variety of light switches and fixtures, which can be found at any home center. Also, you can see if the LED light is a dimmable bulb. To Fix: Try to figure out if the current dimmer switch is “LED compatible.” If not, replace it with one that is. Some of the newer LED bulbs simply aren’t compatible with older switches, particularly dimmers. You can swap the switch with one from another room that you know is working to see if it works in the room that’s flickering. To Fix: Replace the light switch and see if it works. The metal connections on the light switch may wear over time, or the one installed might be a defect and never had a properly made connection at all. ![]() If not, it will probably need to be replaced. To Fix: With the switch powered off, check and see if the socket is in good condition. ![]() If it wears overtime or something else happens to it, the lightbulb won’t function properly and that could result in it flickering. Light bulb sockets make contact in two places and can corrode over time-especially in outdoor fixtures. This Old House Master Electrician Heath Eastman goes over a few common reasons why a light might be flickering and walks you through some basic troubleshooting. Want to know the reasons as to why your lights might be flickering? Flickering lights are a problem most households deal with at some point. ![]()
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