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Home >> Jeep >> 2004 >> Wrangler SE, Automatic >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> O2 Heater Relay >> Installation

O2 Heater Relay: Installation

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The oxygen sensor heater relay is located in the Power Distribution Center (PDC). Refer to label on PDC cover for relay location.

  1. Install relay to PDC.
  2. Install cover to PDC.