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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1221 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM)REPAIR INSTRUCTIONSAUXILIARY BATTERY RELAY REPLACEMENT (6.2L)REMOVAL PROCEDURE
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Removal Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Removal Procedure
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Refer to BATTERY DISCONNECT CAUTION
    Fig 1: View Of Battery & Battery Cable Fasteners
    GM1857067Courtesy 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. Reposition the auxiliary battery positive cable boot (5) from the auxiliary battery relay stud.
  3. Remove the auxiliary battery positive cable nut (6) from the battery relay stud.
  4. Remove the auxiliary battery positive cable from the auxiliary battery relay.
    5. Fig 2: View Of Battery Cable Nuts, Retainers & Bolts
    GM1857177Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the auxiliary battery positive cable electrical connector (1) from the battery relay.
  6. Reposition the auxiliary battery positive cable boot (5) from the auxiliary battery relay stud.
  7. Remove the auxiliary battery positive cable nut (4) from the battery relay stud.
  8. Remove the auxiliary battery positive cable from the auxiliary battery relay.
    9. Fig 3: View Of Auxiliary Battery Relay & Nuts
    GM1857383Courtesy of GENERAL MOTORS CORP.
  9. Remove the auxiliary battery relay nuts and relay.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.