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JaredJ

Rb25det sensors

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Hi there, new to these ecu’s.  I’ve mounted up my iat sensor just wondering if there is existing wiring I can use for it ?  Same with external map sensor is this able to be wired off the old Maf wiring ? Or best to get an xl loom ? 

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The easiest option for the IAT sensor is an exp loom.  Otherwise you can run your own two wires back to the ecu and connect it to pin 36 (AN Temp 2) and Pin 50 (sensor gnd).  For a MAP, that ECU has one onboard so that is probably the easiest.  If you really want to you can connect an external one to the MAF input but there is no 5V power supply at the MAF connector so you would have to get that from the TPS or ECU connector.

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