2001 Honda GL1800 Oxygen Sensor Replacement Manual

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REPAIR PROCEDURE 1. Remove the top shelter (see page 2-10 in the Service Manual). 2. Remove the left and right O 2 sensors from the exhaust pipes. • You do not have to remove the exhaust pipes to remove the O 2 sensors. • Be sure to note the wire routing for proper reassembly. 3. Install the new O 2 sensors and route the wires properly (see pages 1-33 and 1-34 in the 2001- Service Manual). 4. Connect the black 4P female coupler of the sub- harness kit to the wire harness side black 4P male coupler (for the left-side O 2 sensor). 5. Connect the new left O 2 sensor to the black 4P coupler on the sub-harness. 6. Route the sub-harness from left to right, across the front edge of the fuel tank and secure it with the clip on the cruise actuator 7. Cut off the right 4P male O 2 sensor coupler (on the wire harness side). 8. Install a PVC cap onto the end of the Black/yellow wire and Green/red wire (these are the wires that were connected to the coupler that was removed in step 7). Fold each cap back and tape it securely to its wire; these wires are no longer used. • Do not cut the wires off, just tape them back. • The tape is supplied in the replacement kit. 9. Strip the ends of the White and Black/red wires (which were connected to the coupler that was removed in step 7) on the wire harness side and the 2P coupler on the sub-harness. Install a heat shrink tube on each wire of the sub harness. 10. Twist the ends of the White and Black/red wires of the sub-harness 2P coupler to the White and Black/red wires of the main harness. 11. Solder the wires using the solder from the kit. 12. Use a heat gun to secure the heat-shrink tubing over the soldered wires. 13. Connect the right O 2 sensor coupler to the white 4P male coupler on the sub harness.