This is described as an "unloader relay" on a wiring diagram I have seen (although not one applicable to my car) and it seems to have something to do with the heated seats (which I am fitting in due course).
Can anyone please tell me what it does?
many thanks
Andrew
The K9 Relay
Moderator: martauto
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Brianmoooore
- E30 Zone Team Member

- Posts: 49360
- Joined: Mon Jan 10, 2005 11:00 pm
K9 is a relay for the rear fogs and is only fitted for some markets.
K5 and K7 are the unloader relays, and disconnect certain circuits when the starter motor is in use.
K5 and K7 are the unloader relays, and disconnect certain circuits when the starter motor is in use.
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AndrewL
- E30 Zone Newbie

- Posts: 158
- Joined: Thu Apr 27, 2006 11:00 pm
Thanks, that's very helpful.
Do you by any chance have any real wiring diagrams applicable to a 1992 325 cab?
Andrew
Do you by any chance have any real wiring diagrams applicable to a 1992 325 cab?
Andrew
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DaveD
- E30Zone Wiki Specialist
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- Joined: Tue Jan 11, 2005 11:00 pm
- Location: Sheffield
see if what you want is on this site...one of them froze my computer but I am going to copy them all
http://www.soulblighters.com/e30tech/
http://www.soulblighters.com/e30tech/
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Brianmoooore
- E30 Zone Team Member

- Posts: 49360
- Joined: Mon Jan 10, 2005 11:00 pm
Best online source of wiring diagrams I know is at www.autolib.diakom.ru
Look under auto and search the drop downs for "mitchell on demand".
Look under auto and search the drop downs for "mitchell on demand".
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DaveD
- E30Zone Wiki Specialist
- Posts: 5129
- Joined: Tue Jan 11, 2005 11:00 pm
- Location: Sheffield
just had a look at the site i found ..the e30 89 is the official bmw 325 electrical troubleshooting manual the 92 is the 318...i am going to download them all.....might come in usefull
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AndrewL
- E30 Zone Newbie

- Posts: 158
- Joined: Thu Apr 27, 2006 11:00 pm
Agreed, me too. Good spot, thanks.
