Karl_tate Posted June 3, 2018 Report Share Posted June 3, 2018 I've got a plug in g4+ and I'm trying to work out how to wire in my fuel and oil pressure sensors, aem wideband and mac boost solenoid. I have the xs loom. Picture below. Quote Link to comment Share on other sites More sharing options...
andybp Posted June 3, 2018 Report Share Posted June 3, 2018 the green should be sensor gnd the red low current 5v or ign 8, ign 7 depending on which expansion connector you use but neither connector has all the inputs/outputs you need as you seem to need 3 analog inputs and 1 aux output and neither connector has that combination so potentially you need 2 connectors Quote Link to comment Share on other sites More sharing options...
Karl_tate Posted June 3, 2018 Author Report Share Posted June 3, 2018 That's the only expansion connector I have. I'm not running omp, a/c, fuel temp so can I not use those wires?? Quote Link to comment Share on other sites More sharing options...
Adamw Posted June 4, 2018 Report Share Posted June 4, 2018 The Expansion on this particular ECU is quite restrictive. Your oil and fuel pressure sensors can connect to Volt 5 & 6 on the expansion, as well as take the 5V and ground from there. The boost solenoid can just be connected to the wires that controlled the original boost solenoid (Aux 1, pin 3). For the analog wideband probably the easiest would be to connect to the original narrowband wire (Volt 4, pin 37). Quote Link to comment Share on other sites More sharing options...
Karl_tate Posted June 4, 2018 Author Report Share Posted June 4, 2018 Thank you Quote Link to comment Share on other sites More sharing options...
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