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Trailer Lights
Plug Type – 12 Pin Flat (Not Negotiable)
Charging Camper/Caravan While Driving
Plug Type – 50 amp Anderson Plug.
Vehicle with or without smart alternator:
The Anderson plug can be connected to the start battery on the vehicle and should include the following to
protect the start battery.
1. 50amp relay to stop power supply when vehicle is not running.
2. 50amp fuse or circuit breaker at the battery
Notes: The Projecta IDC25L DC to DC controller fitted in your MDC trailer is programmed to favour the solar
panel input exclusively until it drops below a threshold voltage input. By providing accessory power to the
number 12 pin, the trigger for the IDC25L will be set off to take power from both the Anderson plug and the
solar panels. It will also trigger the IDC25L to activate the vehicle’s ECU to make the alternator provide power to
fully charge the multiple batteries in your Caravan.
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