Title: Check the engine compartment wiring harness, connectors, and seals for damage and routing.
Course: Diesel Equipment Technology I (20107-I) > Section: Preventive Maintenance and Inspection: Servicing the Engine

Checking should include a visual and physical inspection of the wiring harness for chafing, loose connections, stored fault codes (e.g., check engine light [CEL]), and proper hold-down clips.

ASE 8: V. Electrical/Electronic Systems: A. General (P-1)

Process/Skill Questions:

- What types of connectors are used in the vehicle wiring harnesses?
- What are the pros and cons of each connector?