Chevrolet Silverado / GMC Sierra. Service manual — part 1734

Fig. 114: View Of Battery & Battery Cable Fasteners
Courtesy of GENERAL MOTORS CORP.

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.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Electrical - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

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

Fig. 115: View Of Battery & Battery Cable Fasteners
Courtesy of GENERAL MOTORS CORP.

1. Install the auxiliary battery positive cable to the vehicle.

2. Install the auxiliary battery positive cable terminal to the relay stud.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Electrical - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

3. Install the auxiliary battery positive cable nut (6) to the rely stud.

Tighten: Tighten the nut 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).

Tighten: Tighten the nut 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.

Tighten: Tighten the nut 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.

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Electrical - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 116: View Of Under Hood Junction Block Cover
Courtesy of GENERAL MOTORS CORP.

11. Install the underhood junction block cover.

12. Connect the auxiliary battery. Refer to Battery Negative Cable Disconnection and

Connection (w/Single Battery) or Battery Negative Cable Disconnection and
Connection (w/Auxiliary Battery) or Battery Negative Cable Disconnection and
Connection (w/Dual Batteries).

GENERATOR BATTERY JUMPER CABLE REPLACEMENT

Removal Procedure

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Electrical - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado