Grizz
Guest
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 Posted:
Wed Dec 01, 2004 2:39 am Post subject:
Replacing Blower motor resistor '90 325i conv |
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I'm trying to order a replacement for my heater blower motor resistor,
the web site I'm ordering from lists two - one with
spade connectors, the other with round pin connectors.
Anyone know which one I'm most likely to need,
or if there's a way to tell which one I need without
ripping it apart an extra time before I have the parts?
adTHANKSvance,
Grizz
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Grizz
Guest
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| Posted:
Fri Dec 03, 2004 1:39 am Post subject:
Repairing / Replacing Blower motor resistor E30 |
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Grizz wrote:
| Quote: | I'm trying to order a replacement for my heater blower motor resistor,
the web site I'm ordering from lists two - one with
spade connectors, the other with round pin connectors.
Anyone know which one I'm most likely to need,
or if there's a way to tell which one I need without
ripping it apart an extra time before I have the parts?
.... |
In case anyone else has the same problem - the blower motor resistor
block is usually the cause of the problem if your heater fan only runs
at high speed. (According to the E30 Bentley manual.)
Since no one responded to my query I removed the access covers
(center top of the firewall behind the engine)
I needed to remove two nuts that hold wiring harness to the cover,
and four hex head screws that hold the cover in place.
After removing the first cover, there is a smaller cover over the
blower motor, held in place by two snap on plastic straps.
When this is removed the resistor block near the center
of the heater can be removed by pulling up & forward.
Mine had the spade (I would have called them blade)
connectors.
The resistors are just coiled wires, and didn't look
like they were broken, so I sprayed some electric
cleaner on the contact points (maybe a relay)
under the resistors. I reassembled and my heater fan
is working again at all speeds, so not knowing which part
to order may have saved me a few $ (the part was a bit over 25).
Grizz |
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