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HEATING AND VENTILATION REPAIRS 80-9 5. Release harness from cable ties and release relays from inner casing. 6. Release and disconnect cooling fan and joint harness multiplugs. 7. Release 3 harnesses and air duct rubber sleeve's from housing. 8. Release clips and remove fuse box cover. 9. Remove nut securing ECM housing. 10. Release housing from retaining brackets and remove. 11. Remove 3 nuts securing fuse box, place fuse box aside. 12. Release PTC harness from ECM housing bracket. 13. Remove cover from PTC positive lead fuse holder. 14. Release multiplug and disconnect PTC harness from engine harness. 15. Remove 2 nuts securing both leads from (80 amp) fuse holder, remove leads. 16. Release clip securing PTC harness to ECM housing bracket. M80 0557 |