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-   -   A/C Blower Not Working (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/51584-c-blower-not-working.html)

jizay 09-09-2008 05:55 PM
low side pressure was good, a third FSR is on the way, wish I kneww what kind of signal the FSR should be seeing from the A/C control and what the output signal to the blower motor should be from the FSR.

jizay 09-10-2008 07:48 PM
So nobody knows anything about the electrical components of the A/C except for "replace FSR"?

I really don't want to troubleshoot by replacement.

Anyone out there with knowledge of the electrical signals leading to/from the aux fan and final stage resistor or even the relay/switch to the fan assembly?

FSETH 09-10-2008 07:53 PM
Quote:
Originally Posted by jizay
So nobody knows anything about the electrical components of the A/C except for "replace FSR"?

I really don't want to troubleshoot by replacement.

Anyone out there with knowledge of the electrical signals leading to/from the aux fan and final stage resistor or even the relay/switch to the fan assembly?
Do you have a Bentley repair manual? Would that info be in there?

jizay 09-10-2008 08:19 PM
Just ordered one the other day, hopefully it will arrive soon. I'm not sure what's in the Bentley manual but I hope there is some electrical data.

Thanks for the help though, at least someone is listening!


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