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Old 07-16-2007, 05:34 PM   #1
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Default Extra Pins on DB37?

I'm making my own harness and didnt think to check before soldering on the connector, but are there any unused pins that I could use for extras like boost control or shift lights? I'd like to keep everything on the
connector if possible rather than running stray wires out of the box.
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Old 07-16-2007, 06:33 PM   #2
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Yes, there are extras. I think SPR1-4 are un-used, as well as some of the IAC ones (on a miata setup, anyway...). Use a multi-tester to figure out which pins the solder pads connect to. If you're running MS-II, I think a couple of the SPR ones are used for CAN bus.

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Old 07-16-2007, 11:50 PM   #3
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there are a bunch that aren't used. at least 15
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