Headlight wiring looks like it's melting

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Old Dec 5, 2001 | 01:46 PM
  #1  
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Default Headlight wiring looks like it's melting

Hi all,

Had a headlight (DS) go dim on my 86-4KQ and when I opened up the area around the bulb to check the plug, I found that the ground (brown) clip in the socket is a dark brown and looks like it's melting.

I took the other side off and it looks similar, not quite as bad. The switch doesn't seem to get overly hot when using the lights, so I don't know what would cause it to happen at the plug/bulb connection.

Any ideas??

Jon
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Old Dec 5, 2001 | 02:58 PM
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AudiSport4000's Avatar
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Default Ah hah!

The exact thing happened to me a couple months ago Jon. I am running those fako xenon bulbs, they look cool! Only one connector melted on my car, the drivers side. Since my lighting wiring is a bit odd (some 85's have a "pigtail"), i had to cut and solder wiring back together from a donor car. There is a post a couple pages back, with a picture about it. HTH
Mike
85 4000S
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Old Dec 5, 2001 | 08:28 PM
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Chris in VA's Avatar
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Default Switch

The headlight switch will also melt as well. The plastic around one of the pins was completely melted, and was skewed off at a funky angle, not allowing my lights to work right. I think this is one area european auto manufacturers should have just let the Japanese contract parts for. My friend used to have an old Volvo, and I swear...every electrical thing on that car was toast.
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Old Dec 6, 2001 | 03:18 AM
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Dwight V.'s Avatar
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Default Add a relay

If you upgrade the headlamps or bulbs, you really need to add a relay into the circuit for the headlamp switch or you will burn them up.
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Old Dec 6, 2001 | 04:45 AM
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Default

I'll second that.
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Old Dec 6, 2001 | 03:39 PM
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Default Re: Add a relay

I understand the relay to protect the switch at the dash, but this is the plug at the BULB. I don't see how a relay will protect the ground clip. Is the ground on this somehow poorly run??

I will put in a seperate ground and see if it improves the situation.

Jon
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