Plug melting
Ultimate HDF Member
Joined: May 2010
Posts: 7,882
Likes: 5
From: So California
I replaced my stock sealbeam 35/55W with a 55/100W H4 on my old FXSTC.
No problems running the hotter bulb.
It does look like corrosion on the contact. Once connected, dielectric grease over the exposed connectors should keep it from happening again.
I'd also look at sealing the head light shell.
No problems running the hotter bulb.
It does look like corrosion on the contact. Once connected, dielectric grease over the exposed connectors should keep it from happening again.
I'd also look at sealing the head light shell.
May our Moderator Rest in Peace
Joined: Sep 2006
Posts: 11,386
Likes: 35
From: Rochester, NY
Put another thin layer over any bare metal after its connnected.
That way it keeps water out and helps conduct heat better.
Stellar HDF Member
Joined: Feb 2010
Posts: 3,390
Likes: 260
From: Southern California
Another vote for a corroded connection at the wire and the terminal. Corrosion is "expansive" which means it takes up more room than the metal that is actually corroding. This loosens the crimp and spot weld junction that is used in the O.E. harness. The effective decrease in wire size as the corrosion essentially pry's the crimp open, generates a lot of heat, even with the current draw of a stock Headlamp.
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Cruiser
Joined: May 2010
Posts: 102
Likes: 0
From: SoCal
Thanks for all the info. I've been running a factory bulb same watts. I found my factory headlight with the harness that looks to be better quality. I'm going to splice and dice that plug in this week and I'll be sure to add some dielectric grease.
Thanks again!
Thanks again!
May our Moderator Rest in Peace
Joined: Sep 2006
Posts: 11,386
Likes: 35
From: Rochester, NY
If your going to splice the plug into the existing lines DO NOT USE cheap butt or crimp connectors.
They might work fine for a lot of different things, but they will NOT work for long on a bike.
The best way to connect two wires on your bike is to solder them together and waterproof the connection.
If you don't know how to do it right, and anyone else who might be interested.
Here's a link to a post I put up in the DIY section to show you how to do it so it will not give you problems later on.
https://www.hdforums.com/forum/softa...ml#post3307100
Good luck and ride safe.
They might work fine for a lot of different things, but they will NOT work for long on a bike.
The best way to connect two wires on your bike is to solder them together and waterproof the connection.
If you don't know how to do it right, and anyone else who might be interested.
Here's a link to a post I put up in the DIY section to show you how to do it so it will not give you problems later on.
https://www.hdforums.com/forum/softa...ml#post3307100
Good luck and ride safe.
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Rockyriver
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Dec 29, 2009 03:25 AM
