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Chevrolet Silverado / GMC Sierra. Manual - part 1733
Fig. 110: View Of Positive Battery Cable Connector & (UBEC)
Courtesy of GENERAL MOTORS CORP.
14. Install the auxiliary battery positive cable connector (1) to the UBEC.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Electrical - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 111: View Of Junction Block & Retainers
Courtesy of GENERAL MOTORS CORP.
15. Ensure that the junction block retainers are in the open position (1).
16. Position and align the junction block to the 4 bracket pivots (2), once the pivots are
engaged, push the retainers down into the locked position (3).
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Electrical - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 112: View Of Under Hood Junction Block Cover
Courtesy of GENERAL MOTORS CORP.
17. Install the underhood junction block cover.
18. Connect 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).
AUXILIARY BATTERY POSITIVE CABLE REPLACEMENT - BATTERY TO BATTERY RELAY
RELAY (6.2L)
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Electrical - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Removal Procedure
Fig. 113: View Of Under Hood Junction Block Cover
Courtesy of GENERAL MOTORS CORP.
1. Disconnect 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).
2. Remove the underhood junction block cover.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Electrical - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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