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Home >> Porsche >> 1982 >> 928 Standard Trans >> Repair and Diagnosis >> Electrical >> Component Locations >> Fuses & Circuit Breakers >> PORSCHE >> 928 >> Fuse Block

Fuse Block

Fuse block is located in passenger footwell. It contains 34 fuses and 22 relays. Two 400mA in-line fuses are located above the fuse panel and protect the security system. Circuits protected by fuses are as follows, from left to right:

  1. - 16 Amp Fog Lights
  2. - Not Connected
  3. - 8 Amp License Light, Engine Compartment Light
  4. - 8 Amp Switch Illumination Light
  5. - 16 Amp Cigar Lighter
  6. - 16 Amp Windshield Wipers
  7. - Not Used
  8. - 16 Amp Sunroof
  9. - 8 Amp Back-Up Lights, Mirror, Rear Wiper, A/C
  10. - 8 Amp Brake Lights, Automatic Speed Control
  11. - 8 Amp Instrument Panel Lights
  12. - 8 Amp Instrument Warning Lights
  13. - Not Connected
  14. - 25 Amp Power Seats
  15. - 16 Amp Power Antenna, Horn, Rear Wiper
  16. - 25 Amp Electric Radiator Fan
  17. - 25 Amp Heater, Air Conditioning Blower
  18. - 15 Amp Rear Window Defogger
  19. - 16 Amp Headlight Motor
  20. - 16 Amp Headlight Washer
  21. - 25 Amp Power Windows
  22. - 16 Amp Fuel Pump
  23. - 8 Amp Interior Lights, Clock
  24. - 8 Amp Left Headlight (High Beam)
  25. - 8 Amp Right Headlight (High Beam)
  26. - 8 Amp Left Headlight (Low Beam)
  27. - 8 Amp Right Headlight (Low Beam)
  28. - 8 Amp Left Side Markers
  29. - 8 Amp Right Side Markers
  30. - 8 Amp Front Left Turn Signal
  31. - 8 Amp Rear Left Turn Signal
  32. - 8 Amp Front Right Turn Signal
  33. - 8 Amp Rear Right Turn Signal
  34. - Not Connected
    Fig 1: Porsche 928 Fuse and Relay Block
    G09330273Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Relay circuits are below the fuses in the main electrical panel. Other relays include the seat return relay (below seat), the rear wiper relay (at left rear corner behind tool kit tray) and the seat belt relay (behind radio).

  1. 1 & 2 - Defogger
  2. 3 - Not Used
  3. 4 - Not Used
  4. 5 - Hazard Flasher Unit
  5. 6 - Window Controls
  6. 7 - Headlight Washer Pump
  7. 8 - Not Used
  8. 9 - Not Used
  9. 10 - Horns
  10. 11 - Not Used
  11. 12 - Fog Lights
  12. 13 - Intermittent Wiper Speed Control
  13. 14 - Starter Relay Bridge
  14. 15 - Washer Pump
  15. 16 - EFI Control Unit
  16. 17 - Fuel Pump
  17. 18 - Extra Cooling Fan for A/C
  18. 19 & 20 - Retractable Headlight Relay
  19. 21 - Fresh Air Fan
  20. 22 - Defroster