Before Troubleshooting
- Check applicable fuses in the appropriate fuse/relay box.
- Check the battery for damage, state of charge and clean and tight connections.
- Do not quick-charge a battery unless the battery ground cable has been disconnected, otherwise you will damage the alternator diodes.
- Do not attempt to crank the engine with the battery ground cable loosely connected or you will severely damage the wiring.
- Check the alternator belt tension.
Handling Connectors
- Make sure the connectors are clean and have no loose wire terminals.
- Make sure multiple cavity connectors are packed with grease (except watertight connectors).
- All connectors have pushdown release type locks (A).
- Some connectors have a clip on their side used to attach them to a mount bracket on the body or on another component. This clip has a pull type lock.
- Some mounted connectors cannot be disconnected unless you first release the lock and remove the connector from its mount bracket (A).
- Never try to disconnect connectors by pulling on their wires; pull on the connector halves instead.
- Always reinstall plastic covers.
- Before connecting connectors, make sure the terminals (A) are in place and not bent.
