Auxiliary Battery Relay Replacement 6.2L

Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

1. Disconnect the auxiliary battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
2. Reposition the auxiliary battery positive cable boot (5) from the auxiliary battery relay stud.
3. Remove the auxiliary battery positive cable nut (6) from the battery relay stud.
4. Remove the auxiliary battery positive cable from the auxiliary battery relay.



5. Disconnect the auxiliary battery positive cable electrical connector (1) from the battery relay.
6. Reposition the auxiliary battery positive cable boot (5) from the auxiliary battery relay stud.
7. Remove the auxiliary battery positive cable nut (4) from the battery relay stud.
8. Remove the auxiliary battery positive cable from the auxiliary battery relay.



9. Remove the auxiliary battery relay nuts and relay.

Notice: Refer to Fastener Notice in the Preface section.




1. Install the auxiliary battery relay and nuts.

Tighten
Tighten the nuts to 9 N·m (80 lb in).




2. Install the auxiliary battery positive cable to the auxiliary battery relay.
3. Install the auxiliary battery positive cable nut (4) to the battery relay stud.

Tighten
Tighten the nut to 9 N·m (80 lb in).

4. Position the auxiliary battery positive cable boot (5) to the auxiliary battery relay stud.
5. Connect the auxiliary battery positive cable electrical connector (1) to the battery relay.



6. Install the auxiliary battery positive cable to the auxiliary battery relay.
7. Install the auxiliary battery positive cable nut (6) to the battery relay stud.

Tighten
Tighten the nut to 9 N·m (80 lb in).

8. Position the auxiliary battery positive cable boot (5) to the auxiliary battery relay stud.
9. Connect the auxiliary battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.