Emergency flashers have a mind of their own! - Dodge Caliber Forums
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#1 Old 11-19-2007, 12:20 PM
canoenut
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Emergency flashers have a mind of their own!

For several months now we have had problems with the emergency 4-way flashers that come on and flash one, two or three times before shutting off again. This now occurs more frequently, for example, on the way to the dealer (about 25kms.) it happened 11 times! Weather is not a factor. At first they claimed that it was because I installed a trailer wiring harness, however after removing it, the flashing has worsened. We have had the experience of sitting at a picnic table while camping and seeing the car activate the 4-ways! Now while sitting in the car with the ignition in the OFF position, the temperature gauge needle does a little shimmy with an accompanying clicking noise! My wife also had the experience of the high beams going on by themselves....
The dealer says that the "event" has to be replicated while the technician is looking at the car in order to do anything, so they're going to take the car for a couple of days and see what they can find.
Short of an exorcism, is there anything that I should know about?

Mark (44,000kms)

Caliber SXT Sport Sunburst Orange1.8 5-Speed
Heated seats, MusicGate Sound System,ABS,Security Package,Tinted Windows,Michelin HydoEdgeTires, Protection Package
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#2 Old 11-19-2007, 01:01 PM
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Re: Emergency flashers have a mind of their own!

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Originally Posted by canoenut
For several months now we have had problems with the emergency 4-way flashers that come on and flash one, two or three times before shutting off again. This now occurs more frequently, for example, on the way to the dealer (about 25kms.) it happened 11 times! Weather is not a factor. At first they claimed that it was because I installed a trailer wiring harness, however after removing it, the flashing has worsened. We have had the experience of sitting at a picnic table while camping and seeing the car activate the 4-ways! Now while sitting in the car with the ignition in the OFF position, the temperature gauge needle does a little shimmy with an accompanying clicking noise! My wife also had the experience of the high beams going on by themselves....
The dealer says that the "event" has to be replicated while the technician is looking at the car in order to do anything, so they're going to take the car for a couple of days and see what they can find.
Short of an exorcism, is there anything that I should know about?

Mark (44,000kms)
just because the harness is removed doesnt mean that this isnt caused by a bad hack job of an installation on the harness, that only got worsened by removing it...

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#3 Old 11-19-2007, 01:09 PM
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Re: Emergency flashers have a mind of their own!

I agree... a flasher unit works by resistance, the more or less resistance, the faster or slower it flashes. Relays work in a similar principle, so maybe that explains things. If thats the case and the trailering harness in the source... thennnnn unfortunately this could end up being relativley expensive to fix. Maybe someting is resisting through the complete wiring harness (?) like a virus so to speak. I've seen something like that happen, but I am only speculating here.

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#4 Old 04-21-2008, 02:49 PM
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Re: Emergency flashers have a mind of their own!

Guess what? It wasn't the wiring harness, but the dash 4-way flasher switch unit that was causing the problem. Apparently others drivers had the same trouble and reported it to Chrysler.
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#5 Old 04-21-2008, 02:57 PM
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Re: Emergency flashers have a mind of their own!

glad you got it fixed
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