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Potential for Fire and wiring damage
******* Safety Item ********
I highly encourage you to take a few minutes and open your hyd comp door and locate blue wire on first first resettable DC breaker and inspect for evidence of overheating.
This wire supplies 12 volts DC to your emergency brake breakaway switch located on outside of pin box.
Yellow arrows show you what wires you are looking for. The wire runs thru a plastic loom up forward to front cap area as shown in pic..it then routes to the pin box area at the metal junction box..
Inspect the blue wires as indicated by yellow arrow for any evidence of overheating
If this wire shorts anywhere to the frame of the Alpine it will draw power non stop until it burns itself in half.
During the course of it overheating it will burn your other wires for turn signals, clean ace lights, etc and will also kill your batteries.
Remove the metal cover on the pin box and inspect inside for any evidence of loose or frayed/overheated wires as shown in pics of my pin box junction bix cover
Note.. you should also be aware there is ALWAYS 12 volts DC present on your RV 7 way cable end plug at pin 4…
Images from 2018 Keystone Alpine.. owners noticed a burning smell and batteries were dead.. 4th image shows breakaway module and wires show no evidence of overheating
I’m guessing blue power wire shorted against frame inside the junction box at the pin box..
Last couple of pics are from my 2014 Alpine I inspected today..
NOTE… the wire color coding May vary on different brand RVs so look for the 12 volt unfused source wire that leads up to emergency brake breakaway module
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2007 GMC Classic club cab 4x4 Duramax LBZ
2014 Alpine 3010 RE. 34 foot fifth wheel
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