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Locating and Accessing Reverse Gear Sensor in Opel Corsa B 1.4: A Beginner's Guide

hangman84 10965 12
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Where is the reverse-light switch on an Opel Corsa B 1.4, and how can I reach and test it?

The reverse-light switch is on the front of the gearbox, under the clutch lever, and you can reach it from above by opening the hood and looking for a two-pin connector, usually black or blue [#16486841] Before replacing anything, short the two wires at the connector and turn on the ignition to see whether the reverse lights come on; also check the plug, nearby wires, and the rear lamps [#16488558] If the switch seems to work only in a certain position, the issue may be its screw-in depth or a washer/gasket under it, because removing one washer can let the switch sit deeper and close the circuit properly [#16488784] Do not screw it in too deep, since the gearbox actuator must press the switch correctly [#16488784][#16488703] The original poster reported that removing the washer made it work, and planned to replace the part [#16490405]
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  • #1 16486580
    hangman84
    Level 10  
    Posts: 18
    Rate: 5
    I checked the bulb and fuse. I don't know much about cars, so I didn't know where exactly to look for the sensor, I would be grateful if someone told me how to get to it (I couldn't find it in google or in a book, and I don't want to unscrew something for no reason, because as I pointed out, I know little about cars :) ) ... I know it has to be on the gearbox, but I don't know whether to get there from below or from above.
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    #2 16486603
    decybel91
    Level 43  
    Posts: 7998
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    There is one sensor in the chest and this particular one is on the front of the chest, lift the hood and look for two pins, black or blue.
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  • #3 16486682
    hangman84
    Level 10  
    Posts: 18
    Rate: 5
    Locating and Accessing Reverse Gear Sensor in Opel Corsa B 1.4: A Beginner's Guide
    The point is?

    Added after 2 [minutes]:

    Locating and Accessing Reverse Gear Sensor in Opel Corsa B 1.4: A Beginner's Guide
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  • #4 16486772
    decybel91
    Level 43  
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    Something picture I can not fire, but so toto.
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    #5 16486841
    ociz
    VIP Meritorious for electroda.pl  
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    No, this is a VSS (speed sensor). From the reversing light you have at the front of the box, under the clutch lever.
  • #6 16486968
    hangman84
    Level 10  
    Posts: 18
    Rate: 5
    Thanks. It's starting to rain so I'll get it tomorrow, but at least I know where to look.
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  • #7 16488506
    hangman84
    Level 10  
    Posts: 18
    Rate: 5
    Locating and Accessing Reverse Gear Sensor in Opel Corsa B 1.4: A Beginner's Guide
    I understand that the right sensor can be seen in this photo ... :) ? ... I short the cables, turn on the ignition and check if the reverse light is on, if so I remove the element from the box and replace, if not ... then I go to the electrician ;) ?
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    #8 16488558
    g107r
    Level 41  
    Posts: 5252
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    Yeah, it looks like this, yeah, and I don't know :) Sometimes you can play with the washers under the sensor - manually press the button on the sensor, check if something can press this sensor in the hole after the sensor, because I saw somewhere that it fell and not the sensor, check the plug yourself, wires next to it and rear lamps.
  • #9 16488703
    pepe150
    Level 36  
    Posts: 2721
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    hangman84 wrote:

    I understand that the right sensor can be seen in this photo ... :) ? ... I short the cables, turn on the ignition and check if the reverse light is on, if so I remove the element from the box and replace, if not ... then I go to the electrician ;) ?


    Yes.
    There is no need to combine with washers, because they will fall into the box and there will be chaff.

    I also had an installation in my car, an efficient sensor. The sensor worked only in the place where the box did not knock. After replacing the sensor with a new one, everything works.
  • #10 16488727
    andrzej20001
    Level 43  
    Posts: 17764
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    Sensor PLN 15
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    #11 16488784
    g107r
    Level 41  
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    Washer-gasket, I assume there is one, but in real life there can be two. Removing one will allow the sensor to screw in deeper, which can also help the sensor close the circuit.
    You can not screw the sensor too deep, because the element in the box will catch on the sensor thread instead of pressing this mushroom in the sensor, but it will probably come out after manual pressing, screwing in the sensor without a possible washer. This screw-in depth should also be taken into account when installing a new sensor.
    andrzej20001 wrote:
    Sensor PLN 15
    I saved PLN 15 because I repaired the sensor.
  • #12 16488792
    andrzej20001
    Level 43  
    Posts: 17764
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    Don't hurt us ...
  • #13 16490405
    hangman84
    Level 10  
    Posts: 18
    Rate: 5
    Thanks to everyone, so far I took out the washer and it works, by the way I will replace it with a new one.
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Topic summary

✨ The discussion focuses on locating and accessing the reverse gear sensor in an Opel Corsa B 1.4. Users provide guidance on identifying the sensor, which is located on the front of the gearbox, under the clutch lever. Visual aids are shared to assist in locating the sensor. Suggestions include checking the sensor's functionality by shorting the cables and turning on the ignition to see if the reverse light activates. Users also discuss potential issues with the sensor, such as the need for washers to ensure proper installation and functionality. One user successfully resolved their issue by removing a washer, leading to the sensor's proper operation.
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