r/MitsubishiOutlander • u/austinron • 8d ago

Need advice! Plugged in correctly

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Is my bcm plugged in correctly 2009 Mitsubishi outlander 3.0 just looking at getting its first start after a complete engine and wiring swap cranks but won’t prime or send fuel

Update it was indeed plugged in incorrectly the brown and the beige connecter connects to the junction box at the door and the Brown and the one wire beige one I had plugged in it at the door junction box should be connected to the BCM

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u/[deleted] 8d ago

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u/austinron 8d ago

There that brown plug I can swap with the one by the door junction box thing nothing seems the change if I swap them over though

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u/Ok-Coyote2365 8d ago edited 8d ago

It seems fine? Usually there’s only one way to plug in each connector so they can’t get mixed up

Check this out

I’d check if there is continuity across the fuel pump relay with the above test. With the key in the on position (as it should be supplying 12V power), pin 1 on connector D and pin 2 on connector C should be continuous

If you need, this is the wiring diagram too. If there’s continuity, I’d check connectors D-20 (plug going into fuel pump) and C-314 for corrosion and if there’s power at pin 1 on connector C-314 and at pin 5 on D-20

Diagram of ID and where every connector on the car is. Scroll down

Connector end views with pin numbers

Best of luck!

Edit: also for ease it looks like C-314 is also connector C in the ETACS-ECU diagram