AQOspeed Posted October 17, 2023 Report Share Posted October 17, 2023 Hello, I have a link g4+ in a 95 m3. The car has an efan which I would like to trigger via a relay from aux 7. I have read some conflicting things on the forum and pclink help file on if this must be a high side or low side drive. Any insight would be much appreciated. Quote Link to comment Share on other sites More sharing options...
Adamw Posted October 17, 2023 Report Share Posted October 17, 2023 Assuming you have the E36 plug-in ECU, it only has low side drive aux outputs fitted. Wire as per the help diagram below. Quote Link to comment Share on other sites More sharing options...
AQOspeed Posted October 17, 2023 Author Report Share Posted October 17, 2023 Thank you, when I spoke to LinkUSA they had said that it had to be high side drive on aux 7, but I had been under the impression only subaru plug ins had high side drive on aux 5-8. Quote Link to comment Share on other sites More sharing options...
Adamw Posted October 17, 2023 Report Share Posted October 17, 2023 Correct, only selective plug-ins have the high-side drive chipset fitted, from memory WRX9/10/11 subaru which use it for the TGV and possibly one other whose name escapes me. Quote Link to comment Share on other sites More sharing options...
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