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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1352 (Engine Mechanical - 1.8L (LV6)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Engine Block Heater Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Unclipping /Clipping Heater Cartridge From Engine Block
    GM890193Courtesy of GENERAL MOTORS CORP.
  1. Fully seat the heater cartridge against the engine block and ensure the clip snaps in place. The final wire harness should be in the 8 o'clock position. The final retaining clip location should be in the 3 o'clock position.
  2. Route the wire harness along the rear of the engine aligned with the heater hose tube.
  3. Ensure the wire harness cartridge plug is fully seated onto the cartridge.
  4. Ensure the main wire harness clip is fully seated.
    5. Fig 2: Main Wire Harness
    GM890190Courtesy of GENERAL MOTORS CORP.
  5. On vehicles with manual transmission, route the heater wire harness (1) as shown.
    6. Fig 3: Heater Wire Harness
    GM890179Courtesy of GENERAL MOTORS CORP.
  6. On vehicles with automatic transmission, route the heater wire harness (1), as shown.
    7. Fig 4: Headlamp Tab And Battery
    GM890171Courtesy of GENERAL MOTORS CORP.
  7. Tuck the heater wire harness below the junction box on the outside of the battery.
  8. Tuck the 110 volt heater plug in the space in between the battery and headlamp assembly (1).
  9. Clip the heater wire harness on the outside of the battery (2).
  10. Ensure that the 110 volt plug tie-strap securely holds the wire bundle and the protector cap is fully seated on the plug.
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