dmhines
Well-Known Member
- Joined
- Nov 18, 2022
- Messages
- 191
- Reaction score
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I installed the Red TRX start button in my 2500. In the HD trucks the OFF/ACC/RUN lights do not function. The wiring harness is the same as it plugs right in and and it functions just like the HD button for controlling start/stop/accessory. Perhaps somebody with wiring info or CANBUS info can determine why the lights do not work in the HD trucks? The wiring or signal for the OFF/ACC/RUN light is apprantly different between 1500 and 2500 ....