Chevrolet Silverado / GMC Sierra. Manual — part 1718

4. Install the engine wiring harness ground bolt (3).

Tighten: Tighten to bolt to 25 N.m (18 lb ft).

5. Lower the vehicle.

6. Install the negative battery cable clip (1) to the positive and negative cable bracket.

7. Connect the negative battery cable. 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).

AUXILIARY BATTERY NEGATIVE CABLE REPLACEMENT (6.2L)

Removal Procedure

NOTE:

Refer to Fastener Notice .

CAUTION: Refer to BATTERY DISCONNECT CAUTION .

2008 Chevrolet Silverado 1500

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

Fig. 51: View Of Auxiliary Battery Negative Cable & Cable Ground Terminal Bolt
Courtesy of GENERAL MOTORS CORP.

1. Disconnect the auxiliary battery negative cable. 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).

2. Remove the auxiliary battery negative cable ground terminal bolt from the left cylinder

head.

2008 Chevrolet Silverado 1500

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

Fig. 52: View Of Auxiliary Battery Negative Cable
Courtesy of GENERAL MOTORS CORP.

3. Remove the auxiliary battery negative cable from the vehicle.

Installation Procedure

2008 Chevrolet Silverado 1500

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

Fig. 53: View Of Auxiliary Battery Negative Cable
Courtesy of GENERAL MOTORS CORP.

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

2008 Chevrolet Silverado 1500

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