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Expert Answers about GMC Savana Van


  • Troubleshooting Brake Controller with no Power
  • I tried looking up the fuse locations for your 2014 GMC 3500 Savana and I wasn't able to locate any fuses dedicated to a brake controller. If your brake controller isn't getting power, and you have tested the power wiring using a circuit tester # PTW2993, I do have a solution for you still. You could try tracing the power wire to see where it might be damaged, but it would most likely be easier to run 10 Gauge Wire # 10-1-1 from your battery to your brake controller so that you bypass...
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  • Troubleshooting No 12V Trailer Power on 7-Way Trailer Connector on 2004 GMC Savana Van
  • If you are referring to the 12V auxiliary trailer power circuit on a 7-way socket, which is normally carried on the pin at the 1-o-clock position as you look at the vehicle 7-way (see photo please), then you could have a bad circuit breaker on this power feed or there could be a corrosion problem on the socket contacts, or within the wiring that connects to it. For a 40-amp auto-resetting circuit breaker you can use # PK54540. Even slight greenish or whitish discoloration on or inside...
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  • Troubleshooting License Plate Camera System on 2003 GMC Savana
  • If the license plate light is in the way of the Hopkins Smart Hitch Backup Camera and Hitch Aligner System # HM50002 you can simply turn it upside down. This will require inverting the camera as well but with the adjustable camera and sensors you will be able to customize the view.
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  • Which Fuses to Check on a 2016 GMC Savana if There are no Running Lights on a Trailer?
  • If everything but the running lights are working, it is most likely a fuse that is out. However, I do suggest checking your ground connections as a bad ground can do all sorts of odd things, this included. If your grounds are all looking good, you will need to check the 11 o'clock position on your 7 Way plug with something like the # PTW2993 when the vehicle is on, and the running lights engaged. If you are not getting any power, you definitely have a fuse out. I was unable to figure...
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  • Curt Discovery Brake Controller Display Flashes with Left Turn Signal
  • It could be a wiring issue. Specifically, it is likely related to the brake controller red wire. If that wire is not attached to the correct circuit, it can cause some strange things to happen. The red wire needs to be connected to a brake switch wire that only has power when the brake pedal is pressed. If that same wire has power, then the headlights or a turn signal are on then it is not the correct wire. I have heard that the correct brake switch wire is the white wire so use a circuit...
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  • Troubleshooting Right Brake Light on Trailer Not Working But Right Turn Signal is Working
  • Thank you for all of the details in your question. It looks like you have a faulty ground or some corrosion in one of your connectors. On a trailer the functions for your turn signals are also tied into the brake lights so if your right turn signal is working on your trailer but the brake light isn't then there are a few things you can do. I recommend starting off by checking both the connector on your 1998 GMC Savana and the connector on your trailer. Check to make sure that they are...
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