ELECTRICAL 4 Connect the wires in the reverse order of disconnecting. c. When replacing any fuse, make sure to use the specified capacity fuse. Using a fuse with a larger capacity can cause damage to the electrical parts or a fire. d. Do not handle electrical/electronic parts (ECU, relay, etc) roughly or drop them. e. Do not expose electrical/electronic parts to high temperature (approximately 80°C (170°F) or higher) or water. f. For open back connectors be sure to insert the tester probe in to the back side (wiring harness side) of the connector for inspection. For sealed back connectors apply the tester probe to the terminal as gently as possible not to damage or deform the terminal. Make sure to use probe with tapered tip. g. Before commencing work on an ignition system, all high tension terminals, adapters and diagnostic equipment for testing should be inspected to ensure that they are adequately insulated and shielded to prevent accidental personal contact and to minimize the risk of shock. 8. When installing any of the vehicle parts, be careful not to pinch or damage any of the wiring harness. 9. Connectors and Harnesses The engine compartment of a vehicle is a particularly hostile environment for electrical components and connectors. Always ensure these items are dry and oil free before disconnecting and connecting test equipment. Never force connectors apart either by using tools or by pulling on the wiring harness. Always ensure locking tabs are disengaged before removal and note orientation to enable correct reconnection. Ensure that any protective covers and substances are replaced if disturbed. a. Make sure that connectors are connected securely.
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