General Category > ezCAN
Excan dont adjust brighting
phantom044:
Hi again, i checked on motorcycle,cansmart software,three-wire dimming mode is on!! But d4 light not adjustable,changed red circuit socket with white circuit socket,Interestingly same d4 not dimmer!!!!
Ruan:
Hi Phantom044
That sounds like the lights are connected as 2-wire, check the connector that's coming from the lights, what I expect to see would be only the 12V and ground wire coming into the ezCAN, as the behaviour is text book 2-wire connection with 3-wire dimming enabled.
Kind regards
Ruan
phantom044:
Hi ruan
I connected the original 3-way socket cables with smart can and socket that came for bmw r1250, I don't have the possibility to connect a double cable anyway, there was no problem after assembling the whole system on this motorcycle at first, the problem of not being able to adjust the light intensity of the d4s started a few months later. Right now, the cables of the d7 and d4 are original 3-way socket cables, but the dimmer problem continues in the d4, I checked the cable sockets again, the result is the same!!!! i think can smart is faulty
Ruan:
Hi Phantom044
I would agree with your if the issue was not persisting when swapping the D7 and D4 lights around, but the problem is following the lights, not the output. In other words, if the ezCAN had an issue with dimming on the output of the D4s (for example, white output), and the D7s were working as expected on the red output. If the issue was localised to the white output, moving the D4s to red would allow them to dim correctly. As you mentioned though, the D7s work as expected and when moving the D4s to their output, they still don't dim, i.e. the issue persists on different outputs, meaning that the issue is with the lights and not the ezCAN.
I suspect it's most likely the switch wire, rather than the light itself. Can you configure the output to which the D4s are connected as a 2-wire output and check whether they are now able to dim? i.e. disable 3-wire dimming in the software. If they can dim, that means it the switch wire coming from the lights/the connector pigtail to which the D4s are connected.
Kind regards
Ruan
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