Ground wires greenwhite to pin 13 bluewhite to pin 11 white to pin 3. Towbar bypass relay wiring diagram.
Tow Bar Electrics
Teb7as relay wiring diagram. Smart bypass relay teb7as 7 way. Brown wire to rh side light. The yellow wire is voltage for left turn comes from left turn trailer relay. This basically leaves you with a standard 12v power supply. 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.
This can be used as a guide to any car as they are more or less all the same. Red wire to brake light. As a reminder a warning buzzer will activate every 90 seconds in the vehicle. Etr02 manufacturers part no. Use a test light. These colours are the standard colours for towbar wiring unfortunately there is no such standard for vehicle lighting wiring colours.
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. 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. Tec3m terminals 2 no connection 4 to pin 9 6 to pin 10 of the towbar plug. Green wire to rh indicator. This is all based on model no teb7as. Fitted with an audible buzzer and an outlet for a telltale light.
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. 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. Grey wire to reverse light. This is designed to be fitted on all modern cars with a negative earth. Teb7as 7 way universal bypass relay. 7 way universal bypass relay wiring diagram.
Blue wire to fog. Many modern cars have multiplexed or can bus wiring systems. Tow bar wiring relay. An assistant sitting in the driving seat is useful at. 7 way universal bypass relay wiring diagram. Black wire to lh side light.
Wiring systems such as can bus were developed in order to be a simpler and more cost effective alternative to the traditional wiring harness. The white wire is ground check voltage and ground. 7 way universal bypass relay wiring diagram. 7 way universal bypass relay wiring diagram many modern cars have multiplexed or can bus wiring systems. 7 way universal bypass relay teb7as. The dark green wire is voltage for right turn comes from trailer right turn relay.
Brown wire with white tracer is voltage for park lamps comes from trailer park lamp relay. This is designed to be fitted on all modern cars with a negative earth.
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