2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

1987 warning lights?

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Old Oct 25, 2009 | 09:18 PM
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From: buckeye
1987 warning lights?

does any one know how to fix the warning lights a lot of mine don't come on when i start the car.
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Old Oct 26, 2009 | 01:01 AM
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Re-solder the connections inside the warning light cluster. It is very common for the cold solder joints to fail. Focus on the joints where the wiring harness pins connect to the circuit board and other places that look like they have lost the connection. Also, remove the old solder before re-soldering the joint. If you just reheat the old solder, the problem will likely come back and you'll have to do it all over again.
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Old Oct 27, 2009 | 12:54 AM
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From: buckeye
thanks dude i'm going to have do that
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Old Oct 27, 2009 | 01:34 AM
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No problem. Be careful removing the warning light surround if it is still in one piece. Good info from Aaroncake, a forum moderator, about this procedure and lots of other RX7 related knowledge. http://aaroncake.net/RX-7/tech1.htm
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Old Oct 27, 2009 | 01:06 PM
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From: https://www2.mazda.com/en/100th/
yep its very easy.

i just melt the factory solder, and let it cool.

you need to do ALL of the solder joints
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Old Oct 30, 2009 | 01:44 PM
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From: buckeye
how do you remove the old solder just heat it up and rub it off or something?
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Old Oct 30, 2009 | 01:51 PM
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Originally Posted by MazdaRX7-87
how do you remove the old solder just heat it up and rub it off or something?
Try this link: http://www.aaroncake.net/electronics/desolder.htm

and this one as well: http://www.aaroncake.net/electronics/solder.htm
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Old Oct 31, 2009 | 09:07 PM
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From: buckeye
Thanks bro those site were really helpful.
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Old Oct 31, 2009 | 11:13 PM
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Originally Posted by MazdaRX7-87
Thanks bro those site were really helpful.
No problem but the real thanks ought to be directed to Mr. Cake himself.
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