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HVAC wiring diagram (archive)
[ Follow Ups ] [ 7-series (E23) Message Board ] [ Msg. Board FAQ ]
Posted by Evan on April 14, 2001 at 01:44:43:

I have a 89 733i with heater blower problems so I decided to check the transistor packs under the blower covers. What I found though was someone had decided to rewire the blower motors resistors and bypassed the transistor packs. I want to repair it properly but I have no idea of how its supposed to be wired. Can anyone help!

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