Connector Identification

For DLC and ECM harness connector terminal identification, See Fig 1 and Fig 2 . DO NOT backprobe ECM harness connector when testing. Place tester probe into contact with terminal, from terminal side of wiring harness connectors in engine compartment. DO NOT puncture wire insulation. For female harness connectors, just touch terminal lightly with tester probe. DO NOT insert probe into terminal.

Fig 1: Identifying Data Link Connector (DLC) Connector Terminals

Courtesy of JAGUAR CARS, INC.

Fig 2: Identifying Engine Control Module (ECM) Harness Connector Terminals

Courtesy of JAGUAR CARS, INC.