Maplin Wireless Parking Sensor Kit - 4 Sensors

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Quoting product code: A84JW


About this product


  • Four sensors and a wireless control unit provide an easy to install reversing system
  • Suitable for cars and light commercial vehicles - takes the guesswork out of parking!
  • Uses ultrasonics to measure the distance between your car and obstacles

Product overview

  • Four sensors and a wireless control unit provide an easy to install reversing system
  • Suitable for cars and light commercial vehicles - takes the guesswork out of parking!
  • Uses ultrasonics to measure the distance between your car and obstacles
  • Three distinct tones and coloured LEDs provide audible and visual warnings of the distance to an object behind the vehicle
  • Supplied with four sensors and drill hole cutter for installation
  • Automatically engages when reverse gear is selected


Reversing made easy
The wireless parking sensor offers an ideal solution for drivers who care for their vehicle and the safety of their passengers. Hidden obstacles such as posts can cause serious damage to cars and at times reversing can be a difficult task. The parking sensor notifies the driver of the distance and the position of obstacles by means of an acoustic beep and using visual display, to make manoeuvres while reversing safer.

Rated 4 out of 5 by from pick up truck I got this to replace a 2 sensor set that was on my Mazda b2500. However to put a spin on this I placed two sensors in my front bumper and wired it up to be active at all time the vehicle is moving, so as anyone knows with a long bonnet and tall height moving up to cars in front is also a problem. As the product is it works very well is accurate (having measured it) and is quite nice to view so I would recommend it to anyone that has any issues as I have. Now to do this you will have cut into the wires to extend the sensors as they are made for cars and do not really have enough length to be front and back.
Date published: 2014-04-15
Rated 5 out of 5 by from The kit is comprehensive in that all items needed to complete a neat and tidy installation are provided. The difficulty came when I attempted to fit this kit to a Renault Scenic. A certain amount of investigation had to be undertaken to ensure that the correct connections were made at the reversing light end and connection at the monitor end was eventually taken from the cigarette lighter as the only easily accessible connection. Location of the monitor was eventually made in front of the main display below the clock readout as otherwise the steering wheel was in the way. Operation is excellent in that the wireless connection is faultless. The only criticism is the test function the display goes through is very obtrusive in that each test (E1, E2, E3) produces a beep each time it is activated by power on. Surely one beep at the end would be adequate to indicate functionality; after all the display cycles through the tests visibly anyway. This kit does what it says on the tin. Eliminates the onerous task of connecting the display to the sensors by hard wire and is efficient in warning of any close encounter behind the vehicle.
Date published: 2011-07-05
Rated 1 out of 5 by from Bad Purchase I received this as a Christmas present and left it into an electronics shop to be fitted, I got a call from fitter to inform me that the sensors were faulty and to ask at the purchase store for replacement sensor rather than take all out again after replacing sensor another showed fault and again had to visit shop to exchange.So far the cost has been Ј110 for the initial fitting then extra work in replacing faulty sensors cost another Ј48 and I still haven't got a system working at the minute only operating on 3 sensors. I think I've been unlucky and got a very faulty system.
Date published: 2015-01-21
Rated 5 out of 5 by from good value I bought this some time ago but have only just finished installing it, very pleased with the results!!
Date published: 2016-08-30
Rated 5 out of 5 by from Easy Peasy! Bought these sensors 2 weeks ago and just got round to fitting them on a 2002 Ford Focus. The hole cutter supplied worked faultlessly. The receiver unit was wired into the switched live to the radio, the negative to the negative of the cigarette lighter. The control unit was wired to the live feed to the reversing light. The wire goes through a grommet in the left corner of the boot floor. Whole thing took a couple hours and worked straight away. The unit is very accurate.The display and sound are great. I recommend this unit
Date published: 2016-11-01
Rated 1 out of 5 by from Great when working Worked ok for a month the needed to be re-set but failed again. It has now been removed and consigned to the bin.
Date published: 2015-12-06
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Connection Type:

Wireless from control box to display



Parking Sensor

Product Specifications

Number Of Sensors:




1 year

Operating Specifications

Detection Range:

max 150cm

Operating Temperature:

-30 to 70 degrees °C

Input Voltage:


Input Current:



Package Contents:

4 x sensors with connecting cable measuring approximately 2.4m per sensor
1 x in-car display panel with connecting cable measuring approximately 2.0m in length
1 x control unit for installation in the boot of the vehicle – measures approximately 12 x 8 x 3cm
1 x power connecting cable – (red connects to the reversing light and black to earthed body of vehicle) measures approximately 85cm in length
1 x 22.5mm drill hole cutter
1 x double-sided adhesive mounting pad for the in-car display panel
2 x double-sided adhesive mounting pads for the control unit
8 x 13.5cm cable ties for secure and neat wiring installation
1 x fitting instructions manual

Will this installation affect the Canbus system and bring up a fault code?

Asked by: Freddy42
Unfortunately, we are unable to guarantee full compatibility for this item, we would advise checking with an auto electrician
Answered by: Dominic
Date published: 2018-01-10

hi what is the recommended mounting height and separation for the 4 sensors? Plan to use on motorhome which has restricted access to bumper as to where to fit them.

Asked by: simbathecat9
Please see help and advice for the user manual for the item.
Answered by: Dominic
Date published: 2017-10-11

Can I paint these sensors as my car is silver

Asked by: RayB
It is recommended that these are not painted.
Answered by: darren cordon
Date published: 2017-10-05

What is the minimum hight from the ground the napkin parking sensors can be installed at?

Asked by: Jevgeshka
Please see the below manual.
Answered by: Billy
Date published: 2017-08-29

How does this kit fit if you have a tow bar on the car, is there anyway to adjust the sensors for this.

Asked by: paul M
Sorry the unit is unsuitable for use with vehicles with tow bars.
Answered by: Les
Date published: 2017-06-14

When driving the unit sometimes displays E1, E2 or E3. This often happens at the same location, e.g near traffic lights, but also randomly.

Asked by: Peter
Unless the vehicle is in reverse the sensors should be inactive. Any pickup is likely to be r.f. into the display unit. Maybe the traffic light radars, other car radars, traffic speed sensors such as those operated by Trafficmaster, wifi even.
Answered by: Graham
Date published: 2017-05-26

Will this parking kit work for the front of the vehicle

Asked by: Scotti
Unfortunately i am sorry but the item in question doesn't support use in you intended application.
Answered by: darren cordon
Date published: 2017-05-23

I fitted this a couple of weeks ago. It does the job, but the display occasionally bleeps and flashes warnings during normal driving and/or goes through a sequence of showing E1, E2, E3, E4. Is this expected behaviour or, if not, how can I stop it?

Asked by: Mike
This service is for frequently asked questions and does not allow two way communication, In order for us to best assist you with your technical issue please contact us on the details below: 0333 400 9500 or email
Answered by: Dominic
Date published: 2017-04-21
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