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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E21 (1975 - 1983)

E21 (1975 - 1983)

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  #1  
Old 02-26-2009, 08:32 PM
vanislander vanislander is offline
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Location: british columbia
 
Join Date: Feb 2009
Posts: 3
Mein Auto: 1982 320
Electrical gremlins !

Hello everyone.
We just picked up a nice little '82 320. It needs some work but it is virtually rust free and runs good. We keep popping the fuse for "dashlights, right rear tail,and marker lights."
At first we thought it was the emergency flasher switch, we replaced that. The we replaced the headlight switch, not that even though it was cooked. We ripped out all the former owners stereo equipment that was just spliced to anything, no luck.
I have checked all the connections I can ,sprayed contact cleaner on the fuse box, checked for water inside the fuse box.
I can replace the fuse, sometimes it works for a few minutes, sometimes a few seconds. I put a 25 amp in, ran it for a half an hour and no problem.The fuse was not even warm.
I don't like to do that as a fix. Any thoughts ? Someone suggested a voltage regulator but I have my doubts

Help !
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  #2  
Old 03-02-2009, 06:00 PM
vanislander vanislander is offline
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Location: british columbia
 
Join Date: Feb 2009
Posts: 3
Mein Auto: 1982 320
Hello again.
Still having issues with the electrics. It seems the lights are not popping fuses anymore but now the fuse for fuel gauge and temp is popping them.

Please help if you can.
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  #3  
Old 03-05-2009, 08:39 AM
bjm442 bjm442 is offline
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Location: chicago
 
Join Date: Apr 2008
Posts: 176
Mein Auto: 2004 X3 & 1999 323i vert
I would post here.... http://forums.bimmerforums.com/forum...play.php?f=143

I just an e21, and there are more guys on there.
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  #4  
Old 03-08-2009, 01:04 AM
PBC///2.7 PBC///2.7 is offline
Mr.Evil...E30
Location: Ontario,Canada...Oshawa
 
Join Date: Aug 2008
Posts: 790
Mein Auto: 87 E30
have check with an BMW shop only if they can help you out,do you have any books on repairs for the e21 aswell and there is an e21 forum oly site too just can't remember what they call it??did you all the grounds as well??.......old wires are not to good to with........
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  #5  
Old 03-10-2009, 08:13 PM
vanislander vanislander is offline
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Location: british columbia
 
Join Date: Feb 2009
Posts: 3
Mein Auto: 1982 320
Well. It seems the backup lights,fuel,and temp are all on the same fuse. Removed the console, shifted the wires for the back lights from the top of the trans and bingo. If anyone runs into this have a look at the reverse switch.
3 days so far with no problems.
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  #6  
Old 03-11-2009, 07:14 AM
PBC///2.7 PBC///2.7 is offline
Mr.Evil...E30
Location: Ontario,Canada...Oshawa
 
Join Date: Aug 2008
Posts: 790
Mein Auto: 87 E30
sweet find,when you think of it...it made sence a reverse cricet
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