Module new generation with standard functionality (WH3Q-S) contains 13-pin's sockets with 8 wires in socket (G8). Package contains all accesoires for connection of module to the car's electric system.
Leading feature of this kit is main cable harness to the trailer's socket (from module) up to 8 meters long. It makes this kit specially suitable for "longer" cars like Pick-up, Camper-van or even LCV. Module should be installed in cabin of car - where also should be available wires of rear lamps of car.


Previous name of this kit was WH3Q-S-G8-LONG-UNI.


Module over basics functions (control of the trailer lighting) it makes possible eg.:

  • possibility of switch-off the control unit of parking sensors (PDC)
  • independent rear fog lights control the fog light (54G) on a car can be switched-off when it (54G) is still switching-on on a trailer;
  • damaged rear turn signal lights activate audio alarm(buzzer)


To the module can be connected (optionally) LED-RGY-300 - tri-colour LED indicator that inform driver about:

  • trailer auto-detection;
  • trailer's turn signal lights damage;
  • fog lights turning-on.


Product requires to be installed by specialized workshop - read here.

  • Product's EAN code: 5907662621565
Kit contents
  • Main control unit 1 pc
  • Signal cables harness (7 inputs) 1 pc
  • Power cable harness 1 pc
  • Main cable harness with 13-pin socket 1 pc
  • Mounting set 1 set
  • Screw set 1 set
  • Installation manual 1 pc
Module main features
Current load inputs
≤2 mA
LED lights and single filament bulbs support (car)
Working with cars which use pulse width modulation (PWM) for powering lamps
LED lights and filament bulbs support(trailer)
Trailer/camper connection detection (bulb lamps)
Trailer/camper connection detection (LED lamps)
Ability to control of park sensors module in car
Trailer turn signal lamps failure detection
Trailer reverse light control
Alerts & Notifications
Trailer connection notification
sound signal; LED-RGY-300 (option)
Trailer turn signal failure
sound signal; LED-RGY-300 (option)
Trailer/caravan fog lights switching on/off notification
sound signal; LED-RGY-300 (option)
Car rear fog-lights control modes
Trailer fog lights control modes
Trailer fog light sequential(independent) control
Car rear fog lights cut-off
Features of electric cable harness
Mounted socket on the cable harness
Length of power harness
1,5 m
Length of cable harness to the socket
8,0 m
Length of input signals cable harness
1,0 m
Technical data
Power supply voltage
10-18 V
Position lights output power, max
(each of side) 3 x 5 W
Stop lights output power, max
3 x 21 W
Turn signal output power, max
(each of side) 21+10 W
Fog-light output power, max
21 W
Reverse lights output power, max
21 W
Parking sensors output load capacity, max
0,5 A
Kit equipment
Complete bundle of towbar with installation accessories