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wipers on, no turn signals, headlamps on, no cabin lights...

 
Old 04-13-2019, 08:33 PM
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Default wipers on, no turn signals, headlamps on, no cabin lights...

2017 JKU Sahara - several weeks back - my son is driving it home from a ballgame and noticed the wipers come on by themselves, cabin lights / instrument panel lose their "dim control feature" and the headlamps are on (will not turn off) and unable to switch to brights. He says he jiggles the left multi switch a few times and it finally went back to normal.

Friday after school he calls saying it's doing the same thing. he gets home and I drive it around the block... the turn signal switch lost all functionality. Initially I could twirl the cabin light dimmer portion of the switch and get the wipers to stop and turn signals to work... then lost the ability to do that.

To date I have removed the battery cables and cleaned the connections and left the negative unplugged overnight (even tried stepping on the brake to reset an ECU ( who knows if this is even a thing on the 17s)... I have ordered a new left multiswitch, praying this resolves it. A Lot of research pointed to possibly a TIPM issue... but those all involved backup lights, ability to shift into drive or even start the vehicle.

Hoping the switch resolves it...anyone seen this or have thoughts?

--- history ---
I bought this Jeep a year ago as a rebuilt title (flood involved). Have had VERY few issues to this point with it ... but I can't take it to the dealership for service because of this.

JD
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Old 04-14-2019, 07:49 AM
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The wipers coming on is rather odd since that is controlled by the right stalk. I would do the same thing and replace the turn signal stalk first and see what happens.
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Old 04-14-2019, 12:44 PM
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Hrmm , wipers are on the right stalk but they connect into the left stalk via a yellow ribbon cable. I debated replacing them both anyway... an extra 100$ though (aka about 3 seconds of a mechanics time). I may go ahead and get that on order too.

JD
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Old 04-14-2019, 01:39 PM
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I'd replace them both if they're connected that way, Ive never actually taken the steering column apart and seen in there. Your problem is likely at that ribbon cable anyway.
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Old 04-14-2019, 02:06 PM
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will update Tuesday night when the parts arrive.
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Old 04-17-2019, 12:02 AM
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well replacing the left and right multiswitches (turn signal and wiper stalks) resolved everything. I went ahead and replaced both of them to be safe, didn't want to risk burning the left out by only replacing it, if the right had an issue. I paid about 150$ for both replacements from amazon... much less than even a diagnosis fee from the "stealership" (if I could even take it to them).

Thanks to all!

JD
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Old 04-17-2019, 06:33 AM
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Thanks. This is good to know!
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