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