Technical Service Bulletin Rear Heater Fan Modified

Subject:Fuses for Additional Heater Fans Models: 911 Carrera/911 Turbo 1986

Bulletin Number: 87 – 04

The additional heater fans each have a 10 amp in-line located approximately 80 mm before the fan wiring connectors behind the side footwell trim panels left and right.

From production date: April 23, 1986

VIN                                        91 0GS 12 1913

                                                91 1GS 16 1516

                                                91 6GS 17 1217

                                                93 1GS 05 1081

Fuse part number: N 017.3.15

The fuses are not shown in the wiring diagrams. Update the 911 Carrera and 911 Turbo 1987 Wiring Diagrams Sheet 4 Field D/E 24 according to the diagram on this page.

Important Notice: Technical Bulletins are intended for use by professional technicians, not a “Do-it-yourselfer.” They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Special tools may be required to perform certain operations identified in these bulletins. Use of tools and procedures other than those recommended in these bulletins may be detrimental to the safe operation of your vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your Porsche Dealer for information on whether your vehicle may benefit from the information. Part numbers listed in these bulletins are for reference only. Always check with your authorized Porsche dealer to verify correct part numbers.

home page:

Want More?

Get the coolest tips and tricks today

Subscribe to our email list and get regular notifications of new videos and blog articles on how to repair your own car.