Which part toggles hi to lo beams? - JeepForum.com

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post #1 of 5 Old 09-03-2012, 05:58 PM Thread Starter
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1994 YJ Wrangler 
Join Date: Aug 2006
Location: Duluth, GA
Posts: 164
Which part toggles hi to lo beams?

A problem with the dimmer on my 94 YJ:
The headlights are stuck in hi beam. If the lights are on and you pull the lever to change them to low beam, they do not toggle to low. If the lights are off and you pull the lever, the lights flash on hi, like they should. So the lever is moving and the switch is doing something.
So which piece is supposed to mechanically toggle? Is it the dimmer switch under the dash, or is it the multifunction lever on the column?
Thanks --
-- Jim

'94 YJ, 4.0, 5-Spd, 33x12.5 Goodyear Duratrac, R E 2.5" Lift
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post #2 of 5 Old 09-03-2012, 07:04 PM
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1990 YJ Wrangler 
Join Date: Jun 2012
Location: Jacksonville
Posts: 749
Jim, the switch is mounted on the column on my '90, cant say for sure on your 94. Mine has a rod that is actuated by a follower that is depressed by the windshield washer switch pivoting when you pull on the MF lever. I am thinking its not mechanical and more than likely your high beam switch. On my tilt wheel, it uses the same nut and screw as the ignition switch.
90DesertTanYJ is offline  
post #3 of 5 Old 09-03-2012, 07:08 PM
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1989 YJ Wrangler 
Join Date: Mar 2012
Location: Canton
Posts: 522
If yours is the same as mine, you have a switch on the top of your steering column. It's activated by a rod that goes from your hi/lo lever down to the switch. I cleaned and lubricated mine when I had my column out- works great now. Use only a cleaner and lube for electrical switches though!


This is the switch your looking for. 12 o'clock pos on the column, about 8-10" from the firewall. This is before I cleaned it

If it's not broke- modify it, so it won't break
rogerv is offline  
post #4 of 5 Old 09-03-2012, 07:58 PM
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1994 YJ Wrangler 
Join Date: Aug 2012
Location: Martinsville
Posts: 28
I had the same problem but my left signal was not staying locked in place and wiper switch was bad. After pricing new switches I decided to go with another steering column instead. Easy install and $100.00 bucks for the whole works .
Cuzzzz is offline  
post #5 of 5 Old 09-04-2012, 12:08 AM Thread Starter
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1994 YJ Wrangler 
Join Date: Aug 2006
Location: Duluth, GA
Posts: 164
I found a late-night parts store that had the dimmer in stock, so I spent the last couple of hours putting it in. Nothing like staying up til 2:00 on a work night. Everyone was right: it was the dimmer that was bad, not the MultiFunction Lever. As 90DesertTanYJ and rogerv described, there is a rod from the MF lever down to the dimmer switch. When you pull the MF lever, the rod extends and pushes the actuator on the dimmer. The dimmer switch SHOULD toggle from hi to lo and lo to hi. Hmmmm... maybe that is why they call it a switch.
The Haynes manual does not say to do this, but I had to loosen the column bolts and drop the column about an inch to get my size XXL hands and fingers in there to remove the nut, the screw, and the dimmer switch. Also, there is something very sharp under the dash - I sliced a finger pretty good.
Anyway, I gave the Jeep the required offering of $$, sweat, and blood, and everything works fine now. Thanks for the help, everyone!
-- Jim

'94 YJ, 4.0, 5-Spd, 33x12.5 Goodyear Duratrac, R E 2.5" Lift
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Magnum is offline  

dimmer switch , headlight

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