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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Wiring Systems And Power Management - Repair Instructions >> Repair Instructions >> Underhood Electrical Center Or Junction Block Replacement

Underhood Electrical Center Or Junction Block Replacement

Fig 1: Underhood Electrical Center/Junction Block
GM1827690Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedure

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (Dual Battery)Battery Negative Cable Disconnection and Connection (Single Battery) .
  2. Remove the auxiliary battery positive cable if equipped. Refer to Auxiliary Battery Positive Cable Replacement - Battery to Battery Relay (9C1)
  3. Remove the left front fender rear upper brace. Refer to Front Fender Rear Upper Brace Replacement
1 Underhood Electrical Center Junction Block

Procedure

  1. Remove the cover.
  2. Remove the battery cable junction block nut and remove the cable from the junction block.
  3. Release the locks securing the junction block handles.
  4. Rotate both handles upward disengaging the junction block from the base and the connectors.
  5. Lift the junction block away from the base and remove it from the vehicle.