flashing/pulsing switch backlights
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Newbie
Joined: Dec 2012
Posts: 4
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CLK320 (W209)
flashing/pulsing switch backlights
I was hoping somebody out there might be able to throw some light (no pun intended) on a problem with my W209 Clk. I've had the whole dash out replacing stepper motors/linkages. Everythings now back together and working. I've got to get the SRS light reset sometime - my understanding is that its latched on (probably because I switched the ignition on with centre console disconnected).
Anyway, all of the disturbed systems have been tested and are working fine. However, when I went out in the car this evening (in the dark) I noticed that all of the upper centre control panel switch backlights (heated seats, hazzard triangle, door lock opener, rear headrest, towing alarm, ESP) are flashing/pulsing at around one flash per second. If I had a bad connection/ground then I would expect the flashing to be more intermittent. Anyone got any idea whats going on here?
Many thanks.
Anyway, all of the disturbed systems have been tested and are working fine. However, when I went out in the car this evening (in the dark) I noticed that all of the upper centre control panel switch backlights (heated seats, hazzard triangle, door lock opener, rear headrest, towing alarm, ESP) are flashing/pulsing at around one flash per second. If I had a bad connection/ground then I would expect the flashing to be more intermittent. Anyone got any idea whats going on here?
Many thanks.
Thread Starter
Newbie
Joined: Dec 2012
Posts: 4
Likes: 0
CLK320 (W209)
Fixed
Fixed it.
Looks like I messed up when putting the dash back together. Pulled out the centre panel again and disconnected the two wire (Brown & Black/Yellow) plug from the cente of the switchbank. Hey presto, everything back to normal.
I can't remember how many plugs I disconnected from this panel when dismantling the dash. It seems that on my car there are only two (dispite six sockets). I now recall looking for the plugs that needed to be connected to this panel. the one I mistakenly connected had to be re-routed to make it reach as it was very tight - seems obvious now!!
My only slight concern now that I've disconnected it is what should it have been connected to? Everything seems to be working now as it should. I know there will be some redundant wiring in the car, hope this is part of it.
Top tip - always label plugs before you disconnect. I for one should know better!!!
Looks like I messed up when putting the dash back together. Pulled out the centre panel again and disconnected the two wire (Brown & Black/Yellow) plug from the cente of the switchbank. Hey presto, everything back to normal.
I can't remember how many plugs I disconnected from this panel when dismantling the dash. It seems that on my car there are only two (dispite six sockets). I now recall looking for the plugs that needed to be connected to this panel. the one I mistakenly connected had to be re-routed to make it reach as it was very tight - seems obvious now!!
My only slight concern now that I've disconnected it is what should it have been connected to? Everything seems to be working now as it should. I know there will be some redundant wiring in the car, hope this is part of it.
Top tip - always label plugs before you disconnect. I for one should know better!!!
Last edited by lecky; Jan 1, 2013 at 01:55 PM.
