obd2 wire yellow or green
07-30-2014, 08:54 PM
#1
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obd2 wire yellow or green I got a 1999 truck ECM. There are two serial data wires on the blue connector. I think its # 58 and 59 a yellow and a green. Which one is used for the obd2?
07-31-2014, 09:09 AM
#2
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#58 green- Serial Data to OBD2 Port
#59 yellow- Serial Data to BCM
http://lt1swap.com/99-02_vortec_pcm.htm
#59 yellow- Serial Data to BCM
http://lt1swap.com/99-02_vortec_pcm.htm