No brights
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Mountain Pass
Joined: Apr 2007
Posts: 237
Likes: 2
From: St. Paul, MN
No brights
When trying to turn on my hi-beams the other day on my 94 F150 4x4 5.0, the blue indicator came on, but no brights. 
They had worked the day/week before, so am assuming the bulbs are ok. Is the switch located in the signal/wiper/hi-beam stalk, and do you have to replace the entire thing? Am going to check the bulbs, but am pretty sure they're fine.
They had worked the day/week before, so am assuming the bulbs are ok. Is the switch located in the signal/wiper/hi-beam stalk, and do you have to replace the entire thing? Am going to check the bulbs, but am pretty sure they're fine.
Fleet Owner
Joined: Aug 2005
Posts: 23,667
Likes: 301
From: Easton,Ks
When trying to turn on my hi-beams the other day on my 94 F150 4x4 5.0, the blue indicator came on, but no brights.
They had worked the day/week before, so am assuming the bulbs are ok. Is the switch located in the signal/wiper/hi-beam stalk, and do you have to replace the entire thing? Am going to check the bulbs, but am pretty sure they're fine.
They had worked the day/week before, so am assuming the bulbs are ok. Is the switch located in the signal/wiper/hi-beam stalk, and do you have to replace the entire thing? Am going to check the bulbs, but am pretty sure they're fine.
Yes if you replace it, it is the entire thing.
Reading a post the other day where a guy said he took his apart and sanded the contacts and re-greased it.
Said it worked great after that.
I have one in my hand and the screws look like five small torx screws.
More Turbo
Joined: Dec 2003
Posts: 620
Likes: 5
From: Missouri - Lake of the Oz
wiper/dimmer switch rebuild
Yes, these can often times be "rebuilt". Just be careful when you disassemble the unit. There are several small parts, including a couple of springs and contact plates. Be sure to take note of the placement & orientation of these pieces in order to assure proper reassembly. A digital camera can perhaps be your most important tool on a job like this.
Redimpling of the contact points (using a small punch from behind) can restore adequate pressure to reduce the resistance that leads to overheating and melting of the plastic components of the switch assembly. Liberally apply a good quality dielectric grease to all contacts prior to reassembly.
New MFS's can be purchased at any reputable parts stores; but hey, where's the fun in that?
dn.
Redimpling of the contact points (using a small punch from behind) can restore adequate pressure to reduce the resistance that leads to overheating and melting of the plastic components of the switch assembly. Liberally apply a good quality dielectric grease to all contacts prior to reassembly.
New MFS's can be purchased at any reputable parts stores; but hey, where's the fun in that?
dn.
