Rear brake won't light up brake light.
Thread Starter
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Grand HDF Member
Joined: May 2007
Posts: 3,553
Likes: 17
Rear brake won't light up brake light.
I have a friend with a '94 Wide Glide, and when depressing the rear brake pedal, the brake light will not light up.
Front brake does light up the tail light.
Does anyone know where the contact points are made with the rear brake so I can take a look?
Front brake does light up the tail light.
Does anyone know where the contact points are made with the rear brake so I can take a look?
Tourer
Joined: Sep 2008
Posts: 379
Likes: 2
Replace the stoplamp switch and bleed your brakes. $20 and 15 minutes. It don't get much better than that for a Harley repair!
Here's an example of how to test for this problem ...
https://www.hdforums.com/forum/gener...sportster.html
The switch is not located inside the hose, it is connected to the brake line. Look for a connector with two wires to your rear brake light.
BigLow
Here's an example of how to test for this problem ...
https://www.hdforums.com/forum/gener...sportster.html
The switch is not located inside the hose, it is connected to the brake line. Look for a connector with two wires to your rear brake light.
BigLow
Elite HDF Member
Joined: Apr 2007
Posts: 4,919
Likes: 23
From: Seattle, WA
Your friend should probably test the connections going to the hydraulic pressure switch for the rear brake ... could be that there's a bad connection ....
While it is relatively inexpensive to replace the switch, if it is a wiring issue, replacing the switch won't fix it ... and, it is kind of a pain in the **** to replace the switch and bleed the brakes ....
Just another suggestion to try and avoid some aggravation if it's some corrosion on the spade lugs or a wire that's wearing out or something ... some sandpaper, a wire brush and some dielectric grease may solve his problem ....
R/
'Chop
While it is relatively inexpensive to replace the switch, if it is a wiring issue, replacing the switch won't fix it ... and, it is kind of a pain in the **** to replace the switch and bleed the brakes ....
Just another suggestion to try and avoid some aggravation if it's some corrosion on the spade lugs or a wire that's wearing out or something ... some sandpaper, a wire brush and some dielectric grease may solve his problem ....
R/
'Chop
Before you change the brake switch I would advise to check if the wires comming from the switch do conduct all the way up to the stop lamp by using an ohm meter....
+ 1 on bleeding the brake line when you have to replace the switch kit!!
Here's a parts diagram (item # 164, BRAKE LIGHT SWITCH KIT, REAR, H-D p/n 72023-51D with p/n 9898 flag terminal, US$ 15,48 at LSHD1.com)
FXD2003Rider
+ 1 on bleeding the brake line when you have to replace the switch kit!!
Here's a parts diagram (item # 164, BRAKE LIGHT SWITCH KIT, REAR, H-D p/n 72023-51D with p/n 9898 flag terminal, US$ 15,48 at LSHD1.com)
FXD2003Rider
Last edited by FXD2003Rider; Jan 25, 2010 at 03:45 PM.
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Elite HDF Member
Joined: Feb 2006
Posts: 4,051
Likes: 8
From: Detroit Michigan
i had the same problem last year, the running light was on but when i hit the brake nothing. i found out that the bulb is a dual fillment bulb, one of the fillments are broken. all you need to do is just buy a new bulb and you are back in business. my bad just read the rest of the posts, yes its the button or plunger switch dooo hicky jackyl
Last edited by jackyl; Jan 25, 2010 at 03:44 PM.
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Thread Starter
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Grand HDF Member
Joined: May 2007
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Likes: 17
Thanks fellas!......
You're right though jackyl.... we should start with the cheap stuff and work our way up. I've got some spare bulbs at home I'll bring one along when i stop by his place tonight.
SURFER Chop & FXD2003Rider -- thanks for the info and diagram it'll definitely help. I'll be sure to bleed the brakes.
You're right though jackyl.... we should start with the cheap stuff and work our way up. I've got some spare bulbs at home I'll bring one along when i stop by his place tonight.
SURFER Chop & FXD2003Rider -- thanks for the info and diagram it'll definitely help. I'll be sure to bleed the brakes.