Wireless Parking Sensor Installation guide

TRAILER/REAR CONTROL UNIT - 12/24 volt system

  • Affix the four rubber sensor housings at equidistant intervals across the rear of the vehicle, using self-tapping screws provided. Alternatively, drill a 20mm hole to insert sensors directly into bodywork/panelling.
  • Please note: fit sensors as flush as possible with the very rear of the vehicle. Sensors recessed in any way may lead to detection of vehicle fixtures/cross members directly above, below or to the side of the sensors which will lead to false readings.
  • Sensor height should ideally be set at approx 70 – 110 cm from ground level.
  • Sensor D must be affixed nearside, C, then B, with sensor A offside. This is important as this ensures traffic light system in the display will function correctly and indicate to the driver whether the obstacle is to the left or right of the vehicle.
  • Identify safest cabling route through rear of trailer. Do not trail cables under cross-members without adequate protection. Drill and grommet through chassis members where possible. Cable tie all sensor cables away from exposed/hazardous areas.
  • To power trailer/rear control unit, take feed and earth from reverse lamp or junction box and house in-line 3amp fuse (not supplied) appropriately. If trailer has no reverse lights, locate reverse feed in junction box under the chassis.
  • Please note: system must only be activated upon vehicle selecting reverse gear.
  • DO NOT POWER CONTROL BOX OR DISPLAY WITH ANYTHING OTHER THAN REVERSE WIRE POWER Transmitting distance is approx 25 meters from control unit to display.

CAB DISPLAY 12/24 VOLT

  • Locate reverse wire and earth terminal in cab and attach display. DO NOT WIRE DISPLAY INTO PERMANENT FEED.  If necessary, call Reversing Made Easy Ltd who will advise you on the correct reverse wire number. Fix display stand into place with two self-tapping screws or double-sided tape.
  • Turn on ignition, engage reverse gear. An audible beep indicates system is now ready for operation. Some displays have activation button at the back of them. Depress button for 2 seconds. Display will locate trailer control unit. This operation is carried out only once at installation stage.
  • As the vehicle approaches the obstacle, the display will count down in metres and centimetres commencing at approx 3 meters.
  • At 1.5m, an audible beep will commence which will increase in frequency as the vehicle gets nearer to the obstacle. The display will not give any audible warning unless the obstacles is 1.5m or less from rear of vehicle. At 0.3m the tone becomes continuous and the display will then flash 0.0 indicating to the driver to stop immediately.

TROUBLE-SHOOTING GUIDE

  • Handy tip. To aid installation, it is recommended to install control unit and temporarily position sensors first (using cable ties or tape). To adjust and trim sensor position, simply power up the in-cab display (using a DC 12 volt converter) and have it in sight whilst adjusting the sensors. No need to walk up and down the vehicle to check sensor display readings.
  • Display indicates obstacle but no obstacle present. Ensure sensors are positioned at least 90cm from the ground and fitted flush with the rear of the vehicle. Sensors have a 46 degree trumpet broadcast and a 3.5 meter minimum working range. Sensors will pick up the ground or vehicle architecture if set back in sub-frame or positioned too low to the ground. If vehicle architecture limits the height of the sensor positioning, chamfer rubber housings on sensors so that they face upwards to counteract the lower position.
  • Display continues to indicate obstacle but with no obstacle present. Faulty sensor or faulty control unit. With sensors positioned correctly, unplug sensors one by one to determine faulty sensor and replace. Please note, do not unplug all and test one at a time. System needs two sensors minimum to be plugged in to operate correctly. Dirty sensors. Sensors will work with a certain amount of road-film cover, but will need wiping occasionally. Check regularly and clean, Can be wiped with fingers and thumbs!
  • Display on but not reading control unit. If the sensor control unit is working, the sensors will be emitting faintly audible clicks. Press ear to sensors to check. Check fuse on control unit. Check live and earth connections to control unit. Check feed is running through the reverse wire. Check reverse wire fuse on vehicle. You may accidentally have blown it during installation. Faulty control unit. Replace unit.
  • Fluttering display when reversing. Sensors are picking up the ground as vehicle ‘trundles’. Reposition sensors or angle sensor housings so that sensors are pointing higher upwards. Foliage and other non-solid obstacles such as wire mesh fencing will tend to return variable readings until these obstacles are 1.6 meters and below from the rear of the vehicle.
  • Sensors picking up foliage and bushes either side of vehicle. Angle the near and off-side sensors slightly inwards until sensor 46 degree detection range falls flush with the sides of the vehicle.
  • Traffic light system on display fills up on near side but obstacle is on off-side of vehicle. Control unit wires are coupled incorrectly to sensors leads. Position control leads as follows: D nearside, C inside nearside, B inside off side, A offside.
  • Display does not come on. Check fuse. Check connections. Ensure reverse wire has feed. Faulty display. Replace display.

PLEASE NOTE. DO NOT CONNECT DISPLAY TO PERMANENT IGNITION FEED. DISPLAY MUST ONLY BE CONNECTED TO REVERSE WIRE FEED. Connecting display to permanent feed will result in display receiving interference and intermittent beeping whilst vehicle is in forward motion.