Access to the heater and A/C blower motor (also known as HVAC – Heating, with pictures and electrical diagrams for testing and diagnostics.
Hi, I have a it and the fan only works on high (5). I've been told I need to replace the resistor.
I bought one but would like to know. E34 ( to 5 Series) Wiring Diagrams.
e34_pdf (10,, bytes) e34_zip (8,, bytes); e34_pdf (10,, bytes). I found a blower motor relay inside the fuse box. I'm thinking if changing but there's different colored five prong relays that just say multi purpose.
5 Series - E34 (i, i, td, tds, incl. touring) Schematics Model year Index. Scheme A/C compressor relay, K A/C fan II switch, SFind best value and selection for your HEATER AC BLOWER MOTOR WIRING HARNESS WIRE RELAY BMW E30 84 87 search on eBay.
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Pelican Parts is not associated with Porsche Cars North America in any manner, except for a mutual appreciation and love of the cars. This issue involves the wiring for the system – known as the “blower-motor” – that controls air flow for the heating and cooling (air conditioning) system.
Over time, and due to a number of contributing factors, the connection between the wiring and this system can degrade. The first test I ran was of the motor itself.
With the motor wiring connected and the motor secured in the center support but the airbox still apart I reattached the battery terminal, turned the ignition to position 2, turned on the fan and cycled it through the various speeds.E34 ( to 5 Series) Wiring DiagramsE34 Bmw Fan Switch Wiring Diagram | Wiring Library