1996 E36 328i - Reverse lights

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  1. 1996 E36 328i - Reverse lights 
    #1
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    Carpe diem's Car Details
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    Alright ladies and gents,

    I've got a problem in that neither of my reverse lights are working.

    I've checked the bulbs, The fuse is fine. I pulled the fuse and checked the voltage across the terminals with my multimeter and there is 12v across the fuse. Nothing is coming up on my check control unit either. Somewhere along the line the power isn't getting from the fuse to the light cluster, Is there a common place for the wiring to breakdown?
     
     

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    #2
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    steve23002's Car Details
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    They are common for the reverse light switches failing..
    The reverse light switch is on the passenger side of the gearbox. It will have a 2 pin connection on it.
    Pull off the connections and bridge them with a split pin or piece of wire, then switch the ignition on. If the reverse lamps are on, you will need a new switch. IIRC they are about £7 from Gsf....
     
     

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    Carpe diem's Car Details
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    Is it a pain to get to?

    Also if i'm getting power across the fuse when in reverse doesn't that mean that the switch is alright?
     
     

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    bmwkev's Car Details
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    there could be a few reasons why they arnt working ie bulbs, fuse, bad earth, reverse switch, broken wire, so i would do it by elimination, ok you have done the bulbs have you done an electrical test on them or just looked at them? you have obviously checked the fuse as you got a voltage through it , the next thing would be to check at the switch as said above, if thats ok then you need to be checking your earth and wiring.
     
     

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    denbmw318i's Car Details
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    i had a problem with one of mine it turned out to be the bulb holder. one of the contacts was broken that was ment to rub against the back of the light cluster.
     
     

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    Quote Originally Posted by Carpe diem View Post
    Is it a pain to get to?

    Also if i'm getting power across the fuse when in reverse doesn't that mean that the switch is alright?
    The power goes from the fuse....to the reversing switch....to the rear lights. You can draw your own conclusions
     
     

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    #7
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    Carpe diem's Car Details
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    Quote Originally Posted by NealP View Post
    The power goes from the fuse....to the reversing switch....to the rear lights. You can draw your own conclusions
    But only when reverse is engaged do i get current across the fuse. This tells me that the switch is fine unless it's shorting out? I'll test the switch this weekend just in case.
     
     

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    Quote Originally Posted by Carpe diem View Post
    But only when reverse is engaged do i get current across the fuse. This tells me that the switch is fine unless it's shorting out? I'll test the switch this weekend just in case.
    No, the fuse is constantly live. It's there to protect the rest of the electronics if a bulb blows or something like that which may cause a surge.
     
     

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