ClaretRed89 Posted May 23 Share Posted May 23 (edited) Hi, I'm from Switzerland. I recently bought a 1989 Reatta. Since the car was never officially imported to Switzerland it must be super rare over here. I love it. It had one big issue, the headlight switch had molten. I replaced it and had an electrician set up two relays with fuses for both low and high beam headlights. The new light switch works perfectly including the dimmer, veryfied it in service mode, headlights work great too. Yet, each time I switch the headlights on the IPC starts flickering and going crazy. The BCM throws a B336 code, the instruments stop working etc. I suspect a wiring issue. The data line and the backlightning line are neighbors on the connector. What do you think? A contact issue or a broken IPC? Everything else including the touch screen works fine. The second issue concerns DRL. Daytime lightning is mandatory in Switzerland. I tried the BS06 override and changed it to 48 but no DRL. What am I missing? Is there a relay I need to check and if yes, where is it? I haven't found anything in the service manual. Thanks a lot for any advice Pip Edited May 23 by ClaretRed89 Link to comment Share on other sites More sharing options...
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