E-Class (W124) 1984-1995: E 260, E 300, E 320, E 420, E 500 (Includes CE, T, TD models)

'91 300E, Lighting problems! HELLLPPP!!! >_<

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Old Nov 15, 2006 | 04:00 PM
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From: Palm Springs, CA, USA
1991 300e 2.6
'91 300E, Lighting problems! HELLLPPP!!! >_<

It's so retarded, Okay. Theres the rear dome light right? Both rear step lights on the door, mmk? Ok, well... ok uhh.. yea ok. Well, the rear left door when opened turns on the rear dome light ONLY, ok close that door and it turns off right? Well open the rear right door and both step lights turn on but no dome light, WTF? Also that one switch int teh fron that's stupposed to turn on all the lights or whatever only turns on the rear step lights, again WTF? And now the front dome light doesn't turn on, bulb is fine, fuses are fine, reading light turns on though. Oh and also are the A/C fan switches supposed to pop out when you push one? :/
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Old Nov 15, 2006 | 10:02 PM
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1990 300ce 24v I6
Yeah, they are supposed to pop out. I cant really help you out, Id say it must be a fuse somewhere...
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Old Nov 16, 2006 | 12:45 AM
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Dora the Explorer
really double and triple check the fuses. they can blow and be really hard to tell. make sure the fuses aren't corroding into the fuse box.
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Old Nov 16, 2006 | 01:44 AM
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From: Palm Springs, CA, USA
1991 300e 2.6
Originally Posted by mgw_300e
really double and triple check the fuses. they can blow and be really hard to tell. make sure the fuses aren't corroding into the fuse box.
But would a blown fuse not make it turn on at all? Cause they do turn on (except the front dome light) But different doors turn them on.
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Old Nov 16, 2006 | 03:48 PM
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1991 300E
there is a relay inside the instrument cluster that controls the dome light and door sill lights. Can't remember the part number, its on the right, next to the warning buzzer.
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Old Nov 16, 2006 | 05:56 PM
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Originally Posted by PDJ89C
But would a blown fuse not make it turn on at all? Cause they do turn on (except the front dome light) But different doors turn them on.
corroding fuses could work intermittently. It sounds more like what mhorn is saying - relay.
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Old Nov 17, 2006 | 01:59 AM
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From: Palm Springs, CA, USA
1991 300e 2.6
Originally Posted by mgw_300e
corroding fuses could work intermittently. It sounds more like what mhorn is saying - relay.

Hmmm, so I have to remove the gauges? Instrument panel and it's attached to that right? Wanna try it right now
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Old Nov 17, 2006 | 03:03 AM
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From: Palm Springs, CA, USA
1991 300e 2.6
Ok well I removed the instrument cluster and found err two relays I guess, lol. I unplugged the bottom left one and the front door lights turned off but nothing else and i unplugged the second one and nothing happened so i dunno if it's the right one. Also i removed the front dome light to check it out.. Again... and once I was about to put it back the dome light worked. I closed the door and it shut off in a few seconds like usual. I opened it and it didn't work again. ARGH THIS CAR IS SO RANDOM >_<. lmao
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Old Nov 20, 2006 | 12:02 AM
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300e
Are you the original owner, maybe someone did some crappy rewiring/switching, its either that or loose connections at junctions or the relay.

shem
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Old Nov 20, 2006 | 12:23 AM
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From: Palm Springs, CA, USA
1991 300e 2.6
Originally Posted by the shemdogg
Are you the original owner, maybe someone did some crappy rewiring/switching, its either that or loose connections at junctions or the relay.

shem

It's been through a few owners, I managed to get the dome light to work though Just fiddled with some relay in back of the instrument cluster.
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Old Nov 20, 2006 | 02:14 AM
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'87 260E
You can also check the wiring & connection from the door switch going to the step light & rear dome light.
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Old Nov 20, 2006 | 09:09 PM
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From: Palm Springs, CA, USA
1991 300e 2.6
Well finally it's fixed! The rear left door had some messed up and cut wiring. I want to thank all you guys for the help! Hahaha so happy

Now to get that darn trunk light working
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