This can be used as a guide to any car as they are more or less all the same. 7 way universal bypass relay wiring diagram.
Universal Teb7as Bypass Relay Towing Electrics Towbar Wiring
Teb7as relay wiring diagram. The yellow wire is voltage for left turn comes from left turn trailer relay. 7 way universal bypass relay wiring diagram many modern cars have multiplexed or can bus wiring systems. 7 way universal bypass relay wiring diagram. This is designed to be fitted on all modern cars with a negative earth. The white wire is ground check voltage and ground. Wiring systems such as can bus were developed in order to be a simpler and more cost effective alternative to the traditional wiring harness.
This is designed to be fitted on all modern cars with a negative earth. Brown wire to rh side light. Teb7as 7 way universal bypass relay. These colours are the standard colours for towbar wiring unfortunately there is no such standard for vehicle lighting wiring colours. Use a test light. This basically leaves you with a standard 12v power supply.
Towbar bypass relay wiring diagram. As a reminder a warning buzzer will activate every 90 seconds in the vehicle. 7 way universal bypass relay wiring diagram. This is all based on model no teb7as. Ground wires greenwhite to pin 13 bluewhite to pin 11 white to pin 3. Fitted with an audible buzzer and an outlet for a telltale light.
This 7 way bypass relay may be used on negative earth vehicles of all types from those that just require a simple bypass function for circuit protection or to avoid confusing the bulb failure warning systems to those with part or full multiplexed systems and including modulated outputs appearing. Green wire to rh indicator. Etr02 manufacturers part no. Tow bar wiring relay. 2 you will notice that there are 8 9 on some relays depending on manufacturer wires coming out from the relay which apart from the grey wires match the colours of the wires in the black 7 core cable. The dark green wire is voltage for right turn comes from trailer right turn relay.
Suitable for modern cars with canbus multiplex or other bulb monitoring systems. Wiring systems such as can bus were developed in order to be a simpler and more cost effective alternative to the traditional wiring harness. Many modern cars have multiplexed or can bus wiring systems. Grey wire to reverse light. Smart bypass relay teb7as 7 way. An assistant sitting in the driving seat is useful at.
Fitting this universal bypass relay to your car between the wiring system and trailer plug socket bypasses all of the fault finding and diagnostic systems created by can bus. Red wire to brake light. 7 way universal bypass relay teb7as. Blue wire to fog. There were also a 12v feed an earth and one labeled tt and this was for a lamp to show when the trailer lights were flashing. Tec3m terminals 2 no connection 4 to pin 9 6 to pin 10 of the towbar plug.
Black wire to lh side light. Brown wire with white tracer is voltage for park lamps comes from trailer park lamp relay.