Red wire to brake light. Green wire to rh indicator.
8712c Smart 7 Bypass Relay Wiring Diagram Wiring Resources
Teb7as relay wiring diagram. Tow bar wiring relay. Grey wire to reverse light. 7 way universal bypass relay wiring diagram. This is designed to be fitted on all modern cars with a negative earth. 7 way universal bypass relay teb7as. An assistant sitting in the driving seat is useful at.
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. This is all based on model no teb7as. Ground wires greenwhite to pin 13 bluewhite to pin 11 white to pin 3. The yellow wire is voltage for left turn comes from left turn trailer relay. Tec3m terminals 2 no connection 4 to pin 9 6 to pin 10 of the towbar plug. Towbar bypass relay wiring diagram.
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 basically leaves you with a standard 12v power supply. Suitable for modern cars with canbus multiplex or other bulb monitoring systems. Fitted with an audible buzzer and an outlet for a telltale light. Brown wire to rh side light. Teb7as 7 way universal bypass relay.
The white wire is ground check voltage and ground. These colours are the standard colours for towbar wiring unfortunately there is no such standard for vehicle lighting wiring colours. The dark green wire is voltage for right turn comes from trailer right turn relay. Black wire to lh side light. As a reminder a warning buzzer will activate every 90 seconds in the vehicle. 7 way universal bypass relay wiring diagram.
Many modern cars have multiplexed or can bus wiring systems. 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. This is designed to be fitted on all modern cars with a negative earth. Wiring systems such as can bus were developed in order to be a simpler and more cost effective alternative to the traditional wiring harness. Etr02 manufacturers part no. This can be used as a guide to any car as they are more or less all the same.
Smart bypass relay teb7as 7 way. Wiring systems such as can bus were developed in order to be a simpler and more cost effective alternative to the traditional wiring harness. 7 way universal bypass relay wiring diagram. 7 way universal bypass relay wiring diagram many modern cars have multiplexed or can bus wiring systems. Brown wire with white tracer is voltage for park lamps comes from trailer park lamp relay. Blue wire to fog.
Use a test 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.
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