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She went to the dealer for inspection and to get a new bulb, passenger side. They told her the bulb was fine and that she needed a new headlight assembly, over $1000. I'm thinking maybe a bad ground or a bad connection someplace. Just don't seem right.
 

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I know, that's what I mean. On the proposed work sheet it has over $1000 for a headlight assembly. I'm going down today and look at it today.
 

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'06 Charger had the left high beam out. Local shop traced the problem to be the ground wire from the bulb to the chassis ground. Only took them just over 1/2 hour to find and fix. IIRC, the problem was the splice before the ground screw; can't recall for certain.

I personally can't figure out what the plastic headlamp assembly has to with the low beam bulb other than to hold it in place. The wiring to the bulb is completely separate from the assembly.
 

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One question, does that car have individual headlight low and high beam fuses?
 

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. . . . does that car have individual headlight low and high beam fuses? . . .
On this era Chrysler product the TIPM (totally integrated power module) provides the power feed to the headlamp assembly. If it detects a short to power or ground then it will disable the circuit until a remedy is made. There would be no separate fuse for power feed to the headlamps.

Are the headlamp assemblies HID? That might make a difference in diagnosis.

Attached schematic shows wiring for a 2008 - 09 minivan. Hopefully wiring conventions are the same for a Chrysler 300 model. Check power and ground.

Headlamp Wiring Passenger Side.gif
 

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Discussion Starter #7
On this era Chrysler product the TIPM (totally integrated power module) provides the power feed to the headlamp assembly. If it detects a short to power or ground then it will disable the circuit until a remedy is made. There would be no separate fuse for power feed to the headlamps.

Are the headlamp assemblies HID? That might make a difference in diagnosis.

Attached schematic shows wiring for a 2008 - 09 minivan. Hopefully wiring conventions are the same for a Chrysler 300 model. Check power and ground.

View attachment 30345
I didn't take the bulb out but it looks like a HID bulb. Square metal back with a couple spring retainers. This is a gray area for me. I hesitate doing anything on this car. I looked on YouTube for some tips but nothing solid. That quote for a headlamp assembly kills me tho. Some years ago she was in an accident and the body shop used an aftermarket headlamp assembly. The dealer told her that aftermarket piece was the problem Sounds like BS to me but what do I know.
 

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Aftermarket HID replacement is $350 compared to the $99 linked above.
The MSRP from Chrysler is $1300 for the HID assembly. Aftermarket parts may or may not be equal in quality to OEM.
 
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You can get OEM grade bulbs from Amazon. And it should be the bulb. Headlight housing/reflector has nothing to do with the bulb working.


HIDs nay be unpredictable, Replaced one on the 09 at 100K when it went all pink and died. Other one is still fine at 175K.
 

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Beyond the bulb, there is a ballast for the HID light. It’s not cheap. I have no idea if they included a replacement ballast in your estimate or not.
 

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Well they replaced the whole assembly which included all new lights and the ballast fastened on the underside, complete assembly I guess you could say. She brought the old one home. All the lights are in it with cut wires. I believe they charged her around $850 for that. I haven't seen the car yet, she's shopping. expensive headlight bros.
 

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They are expensive, but HID headlights are nice.
 

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This was a learning experience for me. I'm use to paying $13 at Wal Marts for bulbs which do the job. This is my Step Mothers car and I don't recall ever driving it at night.
 

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And I thought the headlight assemblies for my 2006 Ram 1500 were pricey at $120/pair (and I can R&R them myself).
 

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I looked at her car just now. They put in a used assembly. Hey, it works. I don't have a problem with that but I'm not telling her that.
 
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