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Old 07-30-2019, 11:15 PM
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Join Date: Oct 2007
Posts: 7,260
'09 R320 Bluetec- no tail/brake loghts after installing repair harness

I installed the two repair harnesses (164-826-00-07) on an '09 R320 Bluetec, and there is still the tail/brake light warning on the instrument cluster. I checked for power on the wire, and there is none. I also used my Icarsoft MB II and monitored the live data. It says there is an open or short in the wiring for both bulbs. When stepping on the brake, the monitor shows both lights being off. I am not sure what to do now. Anyone have experience with this issue? It happens on the ML and others as well. Thanks, Rich
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