motomattx Posted June 29, 2018 Report Share Posted June 29, 2018 How hard would it be to have the ecu ground the relay on my 2g Dsm for the cooling fans? I should be able to use the unused fuel pressure solenoid or purge solenoid outputs from the ecu right? Im running the VR4 ecu in a 2g since there isnt a plug and play model for a 2g and making up the patch harness I realized that the 1g/Vr4 ecu doent control the cooling fans like the 2g Dsm needs the ecu to do. Quote Link to comment Share on other sites More sharing options...
Adamw Posted June 29, 2018 Report Share Posted June 29, 2018 Yep, either of those two outputs will be fine. From memory the old VR4's just had a temp switch in the radiator for the fan. Quote Link to comment Share on other sites More sharing options...
Joe Bucci Posted June 29, 2018 Report Share Posted June 29, 2018 That's correct. 1gs have a temp switch in the radiator. Quote Link to comment Share on other sites More sharing options...
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