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OBDII pinout diagram?

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Old 05-01-2005, 09:20 PM
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Default OBDII pinout diagram?
Does anyone have an ALDL pinout diagram of the wires that attach to the back of the OBDII connector in the cabin? Thanks.
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Old 05-01-2005, 10:48 PM
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J1850 VPW
2, 4, 5, and 16,

2= J1850 Bus+
4 = chassis ground
5 = signal ground
16 = Battery power
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Old 05-02-2005, 12:14 AM
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http://www.chevymania.com/tech/obdii.htm
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