GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra - 2WD 🢒 Engine 🢒 Engine Electrical 🢒 Auxiliary Battery Positive Cable Replacement - Battery to Battery Relay

Removal Procedure

    Object Number: 1702793 Size: SH
  1. Disconnect the auxiliary battery. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the underhood junction block cover.

    3. Object Number: 1857067 Size: SH
  3. Open the auxiliary battery positive cable post cover.
  4. Loosen the auxiliary battery positive cable nut (2).
  5. Remove the auxiliary battery positive cable from the battery positive post.
  6. Remove the auxiliary battery positive cable nut (1) from the underhood junction block stud.
  7. Remove the auxiliary battery positive cable terminal from the underhood junction block stud.
  8. Reposition the auxiliary battery positive cable boot (5) at the auxiliary battery relay.
  9. Remove the auxiliary battery positive cable nut (6) from the rely stud.
  10. Remove the auxiliary battery positive cable terminal from the relay stud.
  11. Remove the auxiliary battery positive cable clips (4) from the engine wiring harness and remove the cable from the vehicle.

Installation Procedure

    Object Number: 1857067 Size: SH
  1. Install the auxiliary battery positive cable to the vehicle.
  2. Install the auxiliary battery positive cable terminal to the relay stud.

    3. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the auxiliary battery positive cable nut (6) to the rely stud and tighten to 7.5 N·m (66 lb in).
  4. Position the auxiliary battery positive cable boot (5) at the auxiliary battery relay.
  5. Install the auxiliary battery positive cable to the battery positive post.
  6. Tighten the auxiliary battery positive cable nut (2) and tighten to 7.5 N·m (66 lb in).
  7. Install the auxiliary battery positive cable terminal to the underhood junction block stud.
  8. Install the auxiliary battery positive cable nut (1) to the underhood junction block stud and tighten to 5 N·m (44 lb in).
  9. Install the auxiliary battery positive cable clips (4) to the engine wiring harness.
  10. Close the auxiliary battery positive cable post cover.

    11. Object Number: 1702793 Size: SH
  11. Install the underhood junction block cover.
  12. Connect the auxiliary battery. Refer to Battery Negative Cable Disconnection and Connection.