D20: Check Harness Short Core to Core

Measure the insulation resistance between EM012/017 and EM012/022.

Is the resistance > 10 Mohms?

Yes
Reconnect all plugs
GO to D21, D21: End

No
Inspect harness/connector EM012, EM015 and EM022 for corrosion, bent/pushed back pins. Repair as required and reconnect plug(s).
GO to D21, D21: End