Multifunction switch going bad?

[FireJeep]

So I was driving my 05 LJ Rubi and I happened to be behind a shiny white van, I decided I wanted to change lanes so I look, turn on my right turn signal and noticed a flash of light off the rear of the van, hmmmm...... so I stayed behind him and turned on my turn signal again, sure enough another flash of white light.....So I did it a third time and paid much closer attention and noticed that when I put my right turn signal on my fog lights flash on for just a split second.....if I turn on my running lights it does not happen, if I turn on the left turn signal it does not happen, although it occasionally will happen when I manual cancel the the left turn signal. It happens every time I turn on or manually cancel the right turn signal..... I am thinking the multi function switch is going bad, thoughts?......

 

[FireJeep]

Whomever renamed the thread, it probably will get more interest.....sometimes my humor is only funny to me....:zpong:

 

[Chris]

Haha, I renamed it. It helps people find it, especially if they're searching for similar issues via Google or something.

That sounds like it could be a multifunction switch issue though.

 

[FireJeep]

Yeah, I think you are right, just wanted to get some feed back/experience before I buy a $150 switch...... Thanks!!!

 

[bobthetj03]

It's your MF switch. At some point your fog lights will just randomly come on. I have a thread somewhere on here on how to take it apart and repair the problem, but it may be more work than it's worth for you.

 

[Chris]

Yeah, I think you are right, just wanted to get some feed back/experience before I buy a $150 switch...... Thanks!!!

You can usually repair them, I did with mine.

See these threads:
How to repair multifunction switch for fog lights (fog lights that won't turn off)
How to fix flickering fog lights or fog lights that won't turn off

 

[FireJeep]

This is why I really like this forum, no BS, just a bunch of Jeep knuckle draggers helping each other out...... Thanks guys!!!!!

 

[bobthetj03]

You'll need a very small torx driver. Think it was a T4.

 

[FireJeep]

Ok, thanks!!!

 

[derekmac]

You can usually repair them, I did with mine.

See these threads:
How to repair multifunction switch for fog lights (fog lights that won't turn off)
How to fix flickering fog lights or fog lights that won't turn off

Yes! I was just thinking that I needed to search for this as my fogs have started randomly coming on.

 

[mde8965]

Definitely the multi function switch. When mine went it cost me a battery. Fog lights on in my garage for at least 2 days before I noticed.

Switch takes a few minutes to install. Super easy

 

[BoldlyGoing]

This is why I really like this forum, no BS, just a bunch of Jeep knuckle draggers helping each other out...... Thanks guys!!!!!

It’s stupid simple to fix.

Honestly the most difficult part is getting the harnesses I clipped from the back of the switch.

Top tip- as you open up the switch, immediately take a pic of how all the little white plastic pieces are oriented so when they inevitably fall out, you don’t have a mild heart attack trying to figure out where they go evaluating scratches in the grease.


Good luck.

 

[jjvw]

I fixed mine several years ago. The cheap Chinese MFS feel mushy and don't last and new Mopar ones are expensive.

Filling or covering over the divot is the best fix.

 

[UpperMI]

The Mopar multiswitch is expensive, but it will last you another 15 years. I got good advice here a few years ago that for anything sensor or electrical related, use original Mopar parts.