Power Circuits (Range Rover)
Turn ignition off. Using a backprobe set, check for voltage between ground and ECM Black 9-pin connector C0634 terminal No. 7 (Purple/Yellow wire). If battery voltage is present, go to next step. See Fig 1 and Fig 2 . See WIRING DIAGRAMS . If battery voltage is not present, check for open or short in Purple/Yellow wire between ECM and fuse No. 44 (30-amp) located in engine compartment fuse/relay box. Perform repairs as necessary.