Trailer hitch wires
09-23-2018, 01:26 AM
#2
MBWorld Fanatic!
Frankly - I would suggest you find a U-Haul installation store and pay them to track this down and fix for you.... you will need to run power tap for the Modulite to the battery by the way..
09-23-2018, 01:51 AM
#3
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Mercedes Benz ML 250
Eires
I did all that I changed 3 modules still not working...Im guessing it needs a trailer module in dashboard or back of car ....im not giving up love the mileage however I will never buy a mbz again
09-24-2018, 11:02 PM
#4
Member
Not sure what Mercedes Benz has to do with this module not working. What are you using for power? You have it set up for a 3 wire system?
