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Brake Light Issue - 2013 T800 - Printable Version

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Brake Light Issue - 2013 T800 - Hermjeji - 03-14-2021

2013 T800, on the trailer, I've got a set of dedicated brake lights, and then a turn/clearance and brake light.

The left side turn/clearance and brake light doesnt work. And i'm not getting power to the fuse either. Any tips on how I can further diagnose this. The truck lights all work properly. I've circled in red the fuse that doesn't get any power, and in green the fuse that are related and do work.
Checked the relays, they are not the problem. WHy would the power to just that one fuse not be coming?



RE: Brake Light Issue - 2013 T800 - tree98 - 03-14-2021

Can you pull the fuse panel and trace the wire?


RE: Brake Light Issue - 2013 T800 - Mr Hagg - 03-14-2021

Look on the front fuse box out side. Youll see some that says chassis node or something like that.. Check them out make sure they have power to them there is like 8 or so... Last one we had in the shop the wiring going to the chassis module had several broken wire from wire loom rubbing it...