thebrad -
I went googling for an old fashioned "switch box" for OBD II cables and found this :
OBDII Interface Breakout Box
http://www.ecplaza.net/tradeleads/se..._breakout.html
Quote:
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This OBDII Interface Breakout Box let you establish electrical connection to individual lines on an OBDII 16 pin (J1962) connector and the scan tool. It enables users to switch, cross and tie interface leads, and simultaneously to diagnose, analyse, test and monitor the testing process.
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Pretty cool for development, but not what you want. I went here but couldn't find the switchbox that I thought might exist :
OBD2Cables.com
http://www.obd2cables.com/products/
Idea: If you have a cabling setup that converted to 25 pin serial port, then you could use a 25 pin switch box :
Code:
OBD II Female Car port to ...
Male OBD II Connector-------Male 25 pin serial port to ...
Female 25 pin switchbox that has an A/B switch for ...
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+-------25 pin Female connector (switch A) to ... 25 pin Male connector-------female OBD II connector to ... Scangauge
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+-------25 pin Female connector (switch B) to ... 25 pin Male connector-------Female OBD II connector to ... Greddy Informeter
Probably not worth the effort.
CarloSW2