Main Relay
- Check for continuity between terminals No. 2 and 4 at relay. If continuity does not exist, go to next step. If continuity exists, replace relay.
- Connect a jumper wire between positive battery terminal and terminal No. 1 at relay. Connect another jumper wire between negative battery terminal and terminal No. 3 at relay.
- Recheck continuity between terminals No. 2 and 4 at relay. If continuity exists, relay is okay. Testing is complete. If continuity does not exist, replace relay.