ESC
User Manual
5
Electric Brake Wiring Diagram
Vehicle Wiring
The tow vehicle which will be used to tow your caravan or trailer fitted with the ESC must have the power
supply for the ESC wired directly to the battery and a 30A fuse or circuit breaker fitted.
The ESC should be connected to the tow vehicle using a standard 12 pin plug or 2 pin connector. The layout
for a 12 pin plug varies between manufacturers, contact the manufacturer of your caravan to confirm how
your caravan is wired.
For off road use it is recommended that the ESC is connected to the tow vehicle using a 2 pin plug such as a
50AMP connector or fitted with a switch and relay to disconnect the ESC for periods of extreme off road
driving. A 2 pin connector can be supplied by AL-KO if required (Part number: 350350).
The tow vehicle should be fitted with an approved electric brake controller listed below:
• Tekonsha Prodigy P2 • Tekonsha Primus IQ • Hayes Energiser III
• Tekonsha P3 • Tekonsha Prodigy • Hayman Reese Guardian IQ
12 pin connector wiring
*(Check with caravan manufacturer as to which pins have been used for ESC)
PIN # * Cable Colour Description
Red ESC Power supply – 2 red cables
10 White ESC Earth – 2 white cables
Plug –
caravan/trailer
Socket –
tow vehicle
Option 1 - ESC power supply
via 12 pin connector
Option 2 - ESC power supply
via 2 pin connector
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