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Eric, Automotive Repair Shop Manager
Category: Dodge
Satisfied Customers: 31935
Experience:  20+ yrs. experience as repair shop manager and technician.
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99 dodge caravan: diagram..the data link connector..scanner

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99 dodge caravan need a wirring diagram for the data link connector. have no communication to the scanner.



Below is wiring diagram for computer data lines, including the DLC:



Customer: replied 8 years ago.
this diagram helped me but i still need to know what voltage comes out of pin 16 and pin 3 and pin 7 wich all look to be +, The problem I am having is no communication to engine and abs. I do have communication with the body control module, The type of scanner I am using is a snap on modis



all you initially asked for was a wiring diagram, which I provided.


Pin 16 is battery voltage

pin 3 is CCD Bus voltage

pin 7 is SCI transmit





Here is ABS test for no communication:




The no comuunication test for PCM/ECM is longer, so I put it in pdf file format(adobe reader)


Click to open and download> NO COMMUNICATION TEST

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