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Author Topic: Blower not working at all  (Read 1866 times)

Offline YellowPreludeR

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Blower not working at all
« on: 10:16:10 PM / 08-Jun-04 »
(a/c) / fan / heater blower is not working at all. It worked before the entire swap of mess of wires and things, but I dont know what could have gone wrong. I hooked up everything like I did before with everything having connections like it did before. Here is whats different.
 The a/c is missing from the firewall forward. No Lines, Condenser, fan, pump, nothing  from the firewall up is there.
 
 My question is. What are major reasons for the blower fan not working. What does the connection look like for the blower fan ? Is there a fuse/relay? for the blower. Does removing the a/c components make the blower not work? Do I have to reset the a/c or anything? ECU is throwing out an A/C code...but I wonder why? :P  
 
 Any help on why my blower doesnt work...just lemme know.  Thanks.

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--Yellow--
Current Car : 1984 BMW 533i Turbo /w custom M30B34
[Oo=00=oO]
Old ride : 1985 Nissan 200sx Turbo /w custom CA20ET
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Offline Stinky

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Blower not working at all
« Reply #1 on: 11:07:10 PM / 08-Jun-04 »
I think most AC systems have an emergency cutoff switch for when the coolant level gets low. If you didnt install any of the ac system then chances are good that the switch is not there. This may need to be jumpered to allow your blower to work. I am not sure, but I would put my money on that.
---------------------------------------------------
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Offline bartc_j

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Blower not working at all
« Reply #2 on: 01:07:40 AM / 09-Jun-04 »
hmm check the fuses and if those are good then maybe the brushes finally went out.. there is nothing you need to jump when you removed the ac i removed mine and the blower works fine
Bart
 '86 1.8L Turbo

Offline Ron Amundson

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Blower not working at all
« Reply #3 on: 05:19:03 AM / 09-Jun-04 »
The fan runs off a fusible link, then the accesory relay, then dual fuses in the fuse panel. Eg if one blows, the other one will to, and then it connects to the blower switch assembly and the resistor pack.

The accesory relay is the blue one behind the fuse panel... its fun to get at... but its rare it would die.

My thought is that you have bad fuses. Followed by or in combination with the fusible link. It would be rare that any of the other components went bad.

Ron

Offline YellowPreludeR

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Blower not working at all
« Reply #4 on: 12:09:51 PM / 09-Jun-04 »
I replaced the fusible link (I think its the green one in the bay right next to the battery (set of 4 in a row with 2 greens in the middle)) If this is the wrong fusible link, lemme know. The fuses in the fuse panel were all good. If you could help me figure out where else the blower connects to ( that would be great) I do not have a manual with wiring, so I do not know where anything electrical goes. Thanks.
--Yellow--
Current Car : 1984 BMW 533i Turbo /w custom M30B34
[Oo=00=oO]
Old ride : 1985 Nissan 200sx Turbo /w custom CA20ET
  (O=O/ S-12 O=O)

Offline Alex Frost

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Blower not working at all
« Reply #5 on: 10:10:32 AM / 15-Jun-04 »
Are you able to see the wires that come out from the blower it self.  It is possible that the A/C goes in between somehow.  My car has no A/C (like that from the factory) and I have no ideawhy the A/C would affect your blower.  The first thing I would check though are the wires coming from the blower it self, and see if there are some wires with the same colous codes hanging around in another part of the engine bay...8)
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