Electrical issue with trailer connected
I have what appears to be a unique situation with my 2012 Shadow Cruiser. With several different tow vehicles now, I am getting some sort of electrical feedback that is causing problems with the engi...
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This happens when towing, all connections between truck and trailer are DC. Start by pulling the fuse that charges the battery from the tow vehicle. If some type of RFI is showing the vehicle a over or low voltage the computer can do all sorts or electrical switching to protect the vehicle. Hook up the trailer and see if a problem occurs while setting in the driveway. Activate each circuit one at a time looking for problems. Left turn, problem or not. Advance to right turn and so on. Brakes, backup lights, parking lights, turn signals with parking lights. Then move on to all of 12v fuses in the power distribution box.
Write down each result. If you find a problem keep checking to see if another circuit causes a problem. You may have to do a test drive and activate each circuit. If you don't find anything this way add back half of fuses and recheck. No problem add the rest back, at the point the problem shows back up just check each item individually that you last added, It's a process of elimination and it may take awhile to narrow it down. As stated before the battery acts to filter the circuits like a big capacitor. Once you narrow it down to which circuit is causing your problem then you have to check all of the connection and appliances on that circuit. It may be a ground, loose connection, bad component in a control board.
It won't be easy or quick. If your lucky and find the bad circuit on the first try, buy a lottery ticket. Good luck.
Write down each result. If you find a problem keep checking to see if another circuit causes a problem. You may have to do a test drive and activate each circuit. If you don't find anything this way add back half of fuses and recheck. No problem add the rest back, at the point the problem shows back up just check each item individually that you last added, It's a process of elimination and it may take awhile to narrow it down. As stated before the battery acts to filter the circuits like a big capacitor. Once you narrow it down to which circuit is causing your problem then you have to check all of the connection and appliances on that circuit. It may be a ground, loose connection, bad component in a control board.
It won't be easy or quick. If your lucky and find the bad circuit on the first try, buy a lottery ticket. Good luck.
